diff --git a/logo/tshirt/Bio-Siegel-EG-Öko-VO-Deutschland.svg b/logo/tshirt/Bio-Siegel-EG-Öko-VO-Deutschland.svg
new file mode 100644
index 0000000..0d27050
--- /dev/null
+++ b/logo/tshirt/Bio-Siegel-EG-Öko-VO-Deutschland.svg
@@ -0,0 +1,221 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://web.resource.org/cc/"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   version="1.0"
+   width="744.09448"
+   height="623.2677"
+   id="svg2693"
+   sodipodi:version="0.32"
+   inkscape:version="0.45.1"
+   sodipodi:docname="Bio Siegel.svg"
+   inkscape:output_extension="org.inkscape.output.svg.inkscape"
+   sodipodi:docbase="B:\logos\vektor\[--Convertme!--]\[--!fertig--]">
+  <metadata
+     id="metadata39">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <sodipodi:namedview
+     inkscape:window-height="574"
+     inkscape:window-width="776"
+     inkscape:pageshadow="2"
+     inkscape:pageopacity="0.0"
+     guidetolerance="10.0"
+     gridtolerance="10.0"
+     objecttolerance="10.0"
+     borderopacity="1.0"
+     bordercolor="#666666"
+     pagecolor="#ffffff"
+     id="base"
+     inkscape:zoom="0.60487652"
+     inkscape:cx="372.04724"
+     inkscape:cy="311.63385"
+     inkscape:window-x="238"
+     inkscape:window-y="471"
+     inkscape:current-layer="svg2693" />
+  <defs
+     id="defs2695">
+    <linearGradient
+       x1="362.32599"
+       y1="5.8388"
+       x2="379.63699"
+       y2="5.8388"
+       id="id1"
+       gradientUnits="userSpaceOnUse">
+      <stop
+         style="stop-color:#71bf44;stop-opacity:1"
+         offset="0"
+         id="stop2504" />
+      <stop
+         style="stop-color:#ffffff;stop-opacity:1"
+         offset="1"
+         id="stop2506" />
+    </linearGradient>
+    <linearGradient
+       x1="362.32599"
+       y1="5.8388"
+       x2="379.63699"
+       y2="5.8388"
+       id="linearGradient2686"
+       xlink:href="#id1"
+       gradientUnits="userSpaceOnUse"
+       gradientTransform="matrix(17.570118,0,0,17.570118,-1735.4368,-2488.6967)" />
+    <linearGradient
+       x1="362.32599"
+       y1="5.8388"
+       x2="379.63699"
+       y2="5.8388"
+       id="linearGradient2761"
+       xlink:href="#id1"
+       gradientUnits="userSpaceOnUse"
+       gradientTransform="matrix(17.570118,0,0,17.570118,-1735.4368,-2488.6967)" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#id1"
+       id="linearGradient2219"
+       gradientUnits="userSpaceOnUse"
+       gradientTransform="matrix(17.570118,0,0,17.570118,-1735.4368,-2488.6967)"
+       x1="362.32599"
+       y1="5.8388"
+       x2="379.63699"
+       y2="5.8388" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#id1"
+       id="linearGradient2243"
+       gradientUnits="userSpaceOnUse"
+       gradientTransform="matrix(19.522353,0,0,19.522353,-2227.9788,-2810.4687)"
+       x1="135.63422"
+       y1="154.97049"
+       x2="142.07021"
+       y2="154.97049" />
+  </defs>
+  <polygon
+     points="124.173,144.87 115.032,159.883 124.203,174.979 142.171,174.979 151.332,159.898 151.332,159.898 142.207,144.87 124.173,144.87 "
+     transform="matrix(19.522353,0,0,19.522353,-2227.9788,-2810.4687)"
+     style="fill:#ffffff;fill-rule:nonzero"
+     id="polygon2583" />
+  <path
+     d="M 212.29578,46.198101 L 52.973852,309.53904 L 212.30553,574.8888 L 529.5106,574.8888 L 688.34251,309.53904 L 529.52228,46.198101 L 212.29578,46.198101 L 212.29578,46.198101 z M 513.11375,75.253202 C 520.86801,88.11259 646.20933,295.94367 654.44581,309.59761 C 646.25033,323.28472 520.78213,532.89816 513.04151,545.8337 C 497.89606,545.8337 243.87319,545.8337 228.75115,545.8337 C 221.00079,532.92549 95.136274,323.31595 86.901729,309.59761 C 95.181174,295.91243 220.91881,88.079424 228.67892,75.253202 C 243.74631,75.253202 498.023,75.253202 513.11375,75.253202 z "
+     style="fill:#71bf44;fill-rule:nonzero"
+     id="path2585" />
+  <path
+     d="M 230.60774,286.67441 L 244.48421,286.67441 C 260.06305,286.67441 277.83038,288.37877 277.83038,306.87811 C 277.83038,324.15932 260.54724,326.59568 243.99815,326.59568 L 230.60774,326.59568 L 230.60774,286.67441 L 230.60774,286.67441 z M 185.32955,358.72361 L 256.89848,358.72361 C 287.32603,358.72361 323.11247,350.20405 323.11247,309.55463 C 323.11247,288.86482 311.42443,276.69266 288.78437,272.06389 L 288.78437,271.57783 C 307.77567,265.25061 318.72966,253.32246 318.72966,231.90058 C 318.72966,202.6873 295.11738,188.81474 263.46972,188.81474 L 185.32955,188.81474 L 185.32955,358.72361 L 185.32955,358.72361 z M 230.60774,220.94659 L 243.75214,220.94659 C 258.84294,220.94659 273.45148,222.40488 273.45148,237.98763 C 273.45148,252.34631 258.11666,256.00091 243.26603,256.00091 L 230.60774,256.00091 L 230.60774,220.94659 L 230.60774,220.94659 z "
+     style="fill:#231f20;fill-rule:nonzero"
+     id="path2587" />
+  <path
+     d="M 460.1906,273.75067 C 460.1906,244.29728 471.1446,219.47067 498.65353,219.47067 C 526.1625,219.47067 537.11259,244.29728 537.11259,273.75067 C 537.11259,301.74763 526.1625,328.03838 498.65353,328.03838 C 471.1446,328.03838 460.1906,301.74763 460.1906,273.75067 L 460.1906,273.75067 z M 413.45407,273.75067 C 413.45407,327.79827 443.15539,361.62858 498.65353,361.62858 C 554.15364,361.62858 583.84911,327.79827 583.84911,273.75067 C 583.84911,219.22471 554.63975,185.87469 498.65353,185.87469 C 442.66344,185.87469 413.45407,219.22471 413.45407,273.75067 z "
+     style="fill:#231f20;fill-rule:nonzero"
+     id="path2589" />
+  <path
+     d="M 381.10554,209.6197 C 381.10554,222.17061 370.92074,232.35739 358.36983,232.35739 C 345.81893,232.35739 335.63407,222.17061 335.63407,209.6197 C 335.63407,197.07072 345.81893,186.884 358.36983,186.884 C 370.92074,186.884 381.10554,197.07072 381.10554,209.6197 z "
+     style="fill:#231f20;fill-rule:evenodd"
+     id="path2591" />
+  <path
+     d="M 336.20416,230.25486 L 336.20416,358.70411 L 381.32228,358.70411 L 381.32228,358.70411 C 383.44042,352.62681 409.49887,278.93188 439.27243,243.07711 C 466.06686,210.81646 507.64945,171.96306 559.249,205.96709 C 559.249,205.96709 510.46261,159.84946 446.8998,196.81893 C 406.23666,220.47221 385.48636,262.22268 381.48234,273.1591 L 381.48234,229.14009 C 376.0766,235.95733 367.74057,240.34592 358.37176,240.34592 C 349.53204,240.34592 341.61182,236.4278 336.20416,230.25486 L 336.20416,230.25486 z "
+     style="fill:url(#linearGradient2243);fill-rule:evenodd;fill-opacity:1.0"
+     id="path2593" />
+  <path
+     d="M 333.3539,403.55474 C 333.3539,401.93833 333.22113,400.31992 333.18014,398.74642 L 336.72344,398.74642 L 336.85424,402.06912 L 336.94014,402.06912 C 338.11733,399.53122 339.9993,398.44185 342.5782,398.44185 C 346.46703,398.44185 349.09088,400.66934 349.09088,405.56945 L 349.09088,421.03706 L 345.42262,421.03706 L 345.42262,406.66075 C 345.42262,403.11943 344.10873,401.58692 341.7485,401.58692 C 338.8631,401.58692 337.02603,403.60163 337.02603,407.61932 L 337.02603,421.03706 L 333.3539,421.03706 L 333.3539,403.55474 L 333.3539,403.55474 z "
+     style="fill:#231f20;fill-rule:nonzero"
+     id="path2595" />
+  <path
+     d="M 365.95623,412.90599 C 365.95623,415.96511 363.94735,418.54208 360.75545,418.54208 C 358.21953,418.54208 356.99738,417.01541 356.99738,414.65519 C 356.99738,412.07431 359.05115,410.02059 363.37925,410.02059 C 364.38273,410.02059 365.30025,410.02059 365.95623,410.1104 L 365.95623,412.90599 L 365.95623,412.90599 z M 355.68163,403.72852 C 356.95253,402.32874 359.13705,401.41122 361.40945,401.41122 C 362.94195,401.41122 364.38273,401.80163 365.12262,402.80902 C 365.82344,403.76951 365.95623,404.73392 365.95623,406.39139 L 365.95623,407.39679 L 363.81463,407.39679 C 356.16383,407.39679 353.32327,410.5867 353.32327,414.9148 C 353.32327,419.20191 356.07787,421.34158 359.75005,421.34158 C 363.15865,421.34158 364.99573,419.72318 366.00113,418.01888 L 366.08703,418.01888 L 366.30372,421.03314 L 369.62835,421.03314 C 369.54052,420.24638 369.45072,418.93839 369.45072,417.62256 L 369.45072,405.99701 C 369.45072,402.85193 368.49215,401.49711 367.53165,400.53271 C 366.82692,399.83381 364.86493,398.43794 361.58322,398.43794 C 359.40063,398.43794 357.12818,399.09193 355.29115,400.27502 L 355.68163,403.72852 z "
+     style="fill:#231f20;fill-rule:nonzero"
+     id="path2597" />
+  <path
+     d="M 387.78223,402.63722 C 386.51325,401.93833 385.24625,401.58692 383.54195,401.58692 C 379.95958,401.58692 377.42366,404.07794 377.42366,410.11425 C 377.42366,415.27012 379.86978,418.20042 383.45407,418.20042 C 385.20526,418.20042 386.68703,417.67331 387.95595,417.01932 L 388.13358,420.38301 C 387.04228,420.86329 385.07247,421.34549 383.45407,421.34549 C 376.81066,421.34549 373.57385,416.40632 373.57385,410.11425 C 373.57385,402.90075 377.33777,398.44185 383.54195,398.44185 C 385.07247,398.44185 386.77876,398.74642 387.95595,399.31452 L 387.78223,402.63722 z "
+     style="fill:#231f20;fill-rule:nonzero"
+     id="path2599" />
+  <path
+     d="M 391.66714,388.26874 L 395.33539,388.26874 L 395.33539,401.81921 L 395.42714,401.81921 C 396.3857,399.94119 398.30867,398.45552 400.8895,398.45552 C 404.7803,398.45552 407.4041,400.68301 407.4041,405.58312 L 407.4041,421.05072 L 403.73198,421.05072 L 403.73198,406.67441 C 403.73198,403.13309 402.41809,401.60059 400.0598,401.60059 C 397.17248,401.60059 395.33539,403.6153 395.33539,407.63299 L 395.33539,421.05072 L 391.66714,421.05072 L 391.66714,388.26874 L 391.66714,388.26874 z "
+     style="fill:#231f20;fill-rule:nonzero"
+     id="path2601" />
+  <polygon
+     points="124.767,166.821 125.495,166.821 125.495,166.991 124.964,166.991 124.964,167.488 125.47,167.488 125.47,167.658 124.964,167.658 124.964,168.214 125.524,168.214 125.524,168.384 124.767,168.384 124.767,166.821 "
+     transform="matrix(19.522353,0,0,19.522353,-2227.9788,-2810.4687)"
+     style="fill:#231f20;fill-rule:nonzero"
+     id="polygon2603" />
+  <path
+     d="M 248.04118,475.51414 C 246.25098,476.16813 243.19187,477.08571 240.47627,477.08571 C 230.81859,477.08571 226.75402,469.74532 226.75402,461.48146 C 226.75402,451.95458 232.30421,445.96318 240.25958,445.96318 C 242.88145,445.96318 245.33148,446.31458 247.42817,447.318 L 247.42817,451.16786 C 245.11478,449.9867 242.53198,449.28588 240.30448,449.28588 C 235.32239,449.28588 230.77759,453.26455 230.77759,460.69668 C 230.77759,468.56422 233.92262,473.76301 240.56806,473.76301 C 241.79016,473.76301 243.36366,473.46042 244.36707,472.93723 L 244.36707,463.31855 L 239.25418,463.31855 L 239.25418,459.99585 L 248.04118,459.99585 L 248.04118,475.51414 L 248.04118,475.51414 z "
+     style="fill:#231f20;fill-rule:nonzero"
+     id="path2605" />
+  <polygon
+     points="127.091,167.835 127.575,167.835 127.575,167.674 127.091,167.674 127.091,167.835 "
+     transform="matrix(19.522353,0,0,19.522353,-2227.9788,-2810.4687)"
+     style="fill:#231f20;fill-rule:nonzero"
+     id="polygon2607" />
+  <path
+     d="M 279.45264,443.26323 L 282.94912,443.26323 L 282.94912,438.89023 L 279.45264,438.89023 L 279.45264,443.26323 z M 272.46173,443.26323 L 275.96014,443.26323 L 275.96014,438.89023 L 272.46173,438.89023 L 272.46173,443.26323 z M 266.43126,461.8407 C 266.43126,471.28169 270.75744,477.09353 277.52972,477.09353 C 284.74322,477.09353 288.98543,471.76196 288.98543,461.22576 C 288.98543,451.78472 284.65733,445.971 277.87914,445.971 C 270.66564,445.971 266.43126,451.30841 266.43126,461.8407 z M 270.44702,461.8407 C 270.44702,452.43871 273.85754,449.12191 277.87914,449.12191 C 283.03892,449.12191 284.96189,455.06252 284.96189,461.22576 C 284.96189,470.62576 281.55132,473.94846 277.52972,473.94846 C 272.37584,473.94846 270.44702,468.0039 270.44702,461.8407 L 270.44702,461.8407 z "
+     style="fill:#231f20;fill-rule:nonzero"
+     id="path2609" />
+  <polygon
+     points="129.752,167.242 129.971,167.242 129.523,167.753 130.011,168.384 129.778,168.384 129.364,167.809 129.36,167.809 129.36,168.384 129.172,168.384 129.172,166.705 129.36,166.705 129.36,167.701 129.752,167.242 "
+     transform="matrix(19.522353,0,0,19.522353,-2227.9788,-2810.4687)"
+     style="fill:#231f20;fill-rule:nonzero"
+     id="polygon2611" />
+  <path
+     d="M 314.30008,465.63585 C 314.30008,460.04075 315.91848,457.15535 319.41297,457.15535 C 322.90945,457.15535 324.52785,460.04075 324.52785,465.63585 C 324.52785,471.23094 322.90945,474.11442 319.41297,474.11442 C 315.91848,474.11442 314.30008,471.23094 314.30008,465.63585 z M 310.45027,465.63585 C 310.45027,472.62681 313.5133,477.08571 319.41297,477.08571 C 325.31264,477.08571 328.37176,472.62681 328.37176,465.63585 C 328.37176,458.64098 325.31264,454.18208 319.41297,454.18208 C 313.5133,454.18208 310.45027,458.64098 310.45027,465.63585 z "
+     style="fill:#231f20;fill-rule:nonzero"
+     id="path2613" />
+  <polygon
+     points="131.115,167.835 131.599,167.835 131.599,167.674 131.115,167.674 131.115,167.835 "
+     transform="matrix(19.522353,0,0,19.522353,-2227.9788,-2810.4687)"
+     style="fill:#231f20;fill-rule:nonzero"
+     id="polygon2615" />
+  <polygon
+     points="131.708,166.821 131.923,166.821 132.286,168.095 132.291,168.095 132.673,166.821 132.871,166.821 132.38,168.384 132.183,168.384 131.708,166.821 "
+     transform="matrix(19.522353,0,0,19.522353,-2227.9788,-2810.4687)"
+     style="fill:#231f20;fill-rule:nonzero"
+     id="polygon2617" />
+  <path
+     d="M 370.17303,463.93739 C 370.25893,458.73276 372.35562,456.98742 374.71782,456.98742 C 377.64619,456.98742 379.08498,459.30086 379.08498,463.93739 L 370.17303,463.93739 z M 382.75909,466.73299 L 382.75909,464.76516 C 382.75909,458.20956 379.96349,454.18791 374.93649,454.18791 C 369.38239,454.18791 366.32129,458.64686 366.32129,465.64169 C 366.32129,472.63265 369.38239,477.09155 375.28206,477.09155 C 377.51347,477.09155 379.78586,476.61524 381.53699,475.78356 L 381.35936,472.46086 C 380.09628,473.37844 378.08157,474.29595 376.24647,474.29595 C 372.18189,474.29595 370.17303,471.89276 370.17303,466.73299 L 382.75909,466.73299 z "
+     style="fill:#231f20;fill-rule:nonzero"
+     id="path2619" />
+  <path
+     d="M 386.80608,459.29111 C 386.80608,457.67265 386.67336,456.06014 386.63232,454.48664 L 390.17369,454.48664 L 390.30449,457.98306 L 390.39237,457.98306 C 391.57347,455.27336 393.44956,454.17816 396.72735,454.17816 L 396.72735,457.80543 C 396.29198,457.71755 395.80978,457.67265 395.32757,457.67265 C 392.48708,457.67265 390.47826,460.12466 390.47826,464.97403 L 390.47826,476.77729 L 386.80608,476.77729 L 386.80608,459.29111 z "
+     style="fill:#231f20;fill-rule:nonzero"
+     id="path2621" />
+  <path
+     d="M 402.50206,465.63585 C 402.50206,460.04075 404.12047,457.15535 407.62079,457.15535 C 411.11534,457.15535 412.73375,460.04075 412.73375,465.63585 C 412.73375,471.23094 411.11534,474.11442 407.62079,474.11442 C 404.12047,474.11442 402.50206,471.23094 402.50206,465.63585 z M 398.65617,465.63585 C 398.65617,472.62681 401.71528,477.08571 407.62079,477.08571 C 413.52047,477.08571 416.57964,472.62681 416.57964,465.63585 C 416.57964,458.64098 413.52047,454.18208 407.62079,454.18208 C 401.71528,454.18208 398.65617,458.64098 398.65617,465.63585 z "
+     style="fill:#231f20;fill-rule:nonzero"
+     id="path2623" />
+  <path
+     d="M 420.81402,459.29111 C 420.81402,457.67265 420.68323,456.06014 420.63639,454.48664 L 424.17771,454.48664 L 424.30851,457.98306 L 424.39639,457.98306 C 425.57749,455.27336 427.45941,454.17816 430.73721,454.17816 L 430.73721,457.80543 C 430.29991,457.71755 429.81969,457.67265 429.33749,457.67265 C 426.49501,457.67265 424.48228,460.12466 424.48228,464.97403 L 424.48228,476.77729 L 420.81402,476.77729 L 420.81402,459.29111 z "
+     style="fill:#231f20;fill-rule:nonzero"
+     id="path2625" />
+  <path
+     d="M 446.13451,465.63585 C 446.13451,471.23094 444.60394,474.11442 441.24025,474.11442 C 437.87264,474.11442 436.34405,471.23094 436.34405,465.63585 C 436.34405,460.04075 437.87264,457.15535 441.24025,457.15535 C 444.60394,457.15535 446.13451,460.04075 446.13451,465.63585 z M 449.80863,443.99921 L 446.13451,443.99921 L 446.13451,457.54968 L 446.05055,457.54968 C 444.56295,455.18554 442.89964,454.18208 440.36174,454.18208 C 435.77595,454.18208 432.67193,457.94208 432.67193,465.63585 C 432.67193,473.32764 435.77595,477.08571 440.36174,477.08571 C 443.59854,477.08571 445.26185,475.25453 446.22041,473.50532 L 446.30829,473.50532 L 446.44101,476.78114 L 449.98041,476.78114 C 449.93358,475.42632 449.80863,474.02852 449.80863,472.67172 L 449.80863,443.99921 L 449.80863,443.99921 z "
+     style="fill:#231f20;fill-rule:nonzero"
+     id="path2627" />
+  <path
+     d="M 454.78295,459.29111 C 454.78295,457.67265 454.65209,456.06014 454.60725,454.48664 L 458.14857,454.48664 L 458.27936,457.80543 L 458.3711,457.80543 C 459.54835,455.27336 461.42444,454.17816 464.00725,454.17816 C 467.89805,454.17816 470.52185,456.40956 470.52185,461.30576 L 470.52185,476.77729 L 466.84774,476.77729 L 466.84774,462.39712 C 466.84774,458.85381 465.53777,457.32714 463.17364,457.32714 C 460.29407,457.32714 458.45705,459.33595 458.45705,463.35954 L 458.45705,476.77729 L 454.78295,476.77729 L 454.78295,459.29111 L 454.78295,459.29111 z "
+     style="fill:#231f20;fill-rule:nonzero"
+     id="path2629" />
+  <path
+     d="M 491.58256,471.98059 C 491.58256,473.59899 491.71529,475.21739 491.75628,476.78896 L 488.21297,476.78896 L 488.08217,473.46819 L 487.99628,473.46819 C 486.81909,476.00224 484.93716,477.09353 482.36019,477.09353 C 478.46939,477.09353 475.84559,474.86604 475.84559,469.97178 L 475.84559,454.49833 L 479.51969,454.49833 L 479.51969,468.88048 C 479.51969,472.41789 480.82768,473.94846 483.19187,473.94846 C 486.07336,473.94846 487.91038,471.93574 487.91038,467.91606 L 487.91038,454.49833 L 491.58256,454.49833 L 491.58256,471.98059 L 491.58256,471.98059 z "
+     style="fill:#231f20;fill-rule:nonzero"
+     id="path2631" />
+  <path
+     d="M 496.91215,459.29111 C 496.91215,457.67265 496.78135,456.06014 496.73451,454.48664 L 500.27584,454.48664 L 500.40664,457.80543 L 500.49843,457.80543 C 501.68146,455.27336 503.55755,454.17816 506.13451,454.17816 C 510.0273,454.17816 512.64911,456.40956 512.64911,461.30576 L 512.64911,476.77729 L 508.97501,476.77729 L 508.97501,462.39712 C 508.97501,458.85381 507.66703,457.32714 505.30675,457.32714 C 502.42135,457.32714 500.58433,459.33595 500.58433,463.35954 L 500.58433,476.77729 L 496.91215,476.77729 L 496.91215,459.29111 L 496.91215,459.29111 z "
+     style="fill:#231f20;fill-rule:nonzero"
+     id="path2633" />
+  <path
+     d="M 520.57325,465.63585 C 520.57325,460.04075 522.10576,457.15535 525.47336,457.15535 C 528.83705,457.15535 530.36763,460.04075 530.36763,465.63585 C 530.36763,471.23094 528.83705,474.11442 525.47336,474.11442 C 522.10576,474.11442 520.57325,471.23094 520.57325,465.63585 z M 534.03584,458.55508 C 534.03584,457.20025 534.16862,455.80048 534.21352,454.49055 L 530.67414,454.49055 L 530.54135,457.72146 L 530.45546,457.72146 C 529.23336,455.58185 527.21865,454.18208 524.99116,454.18208 C 520.01099,454.18208 516.90498,457.94208 516.90498,465.63585 C 516.90498,473.32764 520.01099,477.08571 524.60069,477.08571 C 527.04686,477.08571 529.01474,475.86362 530.45546,473.32764 L 530.54135,473.32764 L 530.54135,476.82802 C 530.54135,480.67194 528.79215,483.33679 524.29226,483.33679 C 522.28339,483.33679 519.74548,482.46411 518.17397,481.41772 L 517.99628,485.13282 C 519.61468,485.78681 522.63287,486.48571 524.50895,486.48571 C 529.40515,486.48571 534.03584,483.9088 534.03584,477.74554 L 534.03584,458.55508 L 534.03584,458.55508 z "
+     style="fill:#231f20;fill-rule:nonzero"
+     id="path2635" />
+</svg>
diff --git a/logo/tshirt/biosiegel.ink.svg b/logo/tshirt/biosiegel.ink.svg
new file mode 100644
index 0000000..2ea1088
--- /dev/null
+++ b/logo/tshirt/biosiegel.ink.svg
@@ -0,0 +1,216 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="708.66144"
+   height="587.79852"
+   id="svg203523"
+   version="1.1"
+   inkscape:version="0.48.4 r9939"
+   sodipodi:docname="biosiegel.ink.svg">
+  <sodipodi:namedview
+     id="base"
+     pagecolor="#156dcf"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageopacity="1"
+     inkscape:pageshadow="2"
+     inkscape:zoom="0.94760361"
+     inkscape:cx="354.33072"
+     inkscape:cy="293.89926"
+     inkscape:document-units="px"
+     inkscape:current-layer="layer1"
+     showgrid="false"
+     fit-margin-top="0"
+     fit-margin-left="0"
+     fit-margin-right="0"
+     fit-margin-bottom="0"
+     inkscape:window-width="1366"
+     inkscape:window-height="754"
+     inkscape:window-x="0"
+     inkscape:window-y="14"
+     inkscape:window-maximized="0"
+     showguides="true"
+     inkscape:guide-bbox="true"
+     width="4212.99px"
+     showborder="true"
+     inkscape:showpageshadow="true" />
+  <defs
+     id="defs203525">
+    <linearGradient
+       x1="362.32599"
+       y1="5.8388"
+       x2="379.63699"
+       y2="5.8388"
+       id="id1"
+       gradientUnits="userSpaceOnUse">
+      <stop
+         style="stop-color:#71bf44;stop-opacity:1"
+         offset="0"
+         id="stop2504" />
+      <stop
+         style="stop-color:#ffffff;stop-opacity:1"
+         offset="1"
+         id="stop2506" />
+    </linearGradient>
+  </defs>
+  <metadata
+     id="metadata203528">
+    <rdf:RDF>
+      <cc:Work
+         rdf:about="">
+        <dc:format>image/svg+xml</dc:format>
+        <dc:type
+           rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
+        <dc:title></dc:title>
+      </cc:Work>
+    </rdf:RDF>
+  </metadata>
+  <g
+     transform="translate(2856.9691,-534.96128)"
+     id="layer1"
+     inkscape:groupmode="layer"
+     inkscape:label="Layer 1">
+    <path
+       inkscape:connector-curvature="0"
+       d="m -2662.3898,563.42486 -159.322,263.34094 159.3317,265.3498 317.2051,0 158.8319,-265.3498 -158.8202,-263.34094 -317.2265,0 0,0 z m 300.8179,29.0551 c 7.7543,12.85939 133.0956,220.69047 141.3321,234.34441 -8.1955,13.68711 -133.6637,223.30053 -141.4043,236.23613 -15.1455,0 -269.1683,0 -284.2904,0 -7.7503,-12.9083 -133.6148,-222.51779 -141.8494,-236.23613 8.2795,-13.68518 134.0171,-221.51818 141.7772,-234.34441 15.0674,0 269.3441,0 284.4348,0 z"
+       style="fill:#ffffff;fill-rule:nonzero"
+       id="path2585" />
+    <path
+       inkscape:connector-curvature="0"
+       d="m -2644.0779,803.90117 13.8765,0 c 15.5788,0 33.3462,1.70436 33.3462,20.2037 0,17.28121 -17.2832,19.71757 -33.8323,19.71757 l -13.3904,0 0,-39.92127 0,0 z m -45.2782,72.0492 71.569,0 c 30.4275,0 66.214,-8.51956 66.214,-49.16898 0,-20.68981 -11.6881,-32.86197 -34.3281,-37.49074 l 0,-0.48606 c 18.9913,-6.32722 29.9452,-18.25537 29.9452,-39.67725 0,-29.21328 -23.6122,-43.08584 -55.2599,-43.08584 l -78.1402,0 0,169.90887 0,0 z m 45.2782,-137.77702 13.1444,0 c 15.0908,0 29.6994,1.45829 29.6994,17.04104 0,14.35868 -15.3349,18.01328 -30.1855,18.01328 l -12.6583,0 0,-35.05432 0,0 z"
+       style="fill:#ffffff;fill-rule:nonzero"
+       id="path2587" />
+    <path
+       style="fill:#ffffff;fill-rule:nonzero"
+       d="M 502.6875 181.5625 C 468.37988 182.06428 441.19085 208.18633 424.21875 231.46875 C 413.86668 245.1045 404.84413 260.28336 397.125 275.25 C 403.55059 317.96921 432.35361 343.90625 480.9375 343.90625 C 536.4376 343.90625 566.125 310.07885 566.125 256.03125 C 566.125 231.11118 560.03265 210.59903 548.0625 195.6875 C 531.89991 185.42069 516.6922 181.35767 502.6875 181.5625 z M 480.9375 201.75 C 508.4465 201.75 519.40625 226.57786 519.40625 256.03125 C 519.40625 284.02821 508.4465 310.3125 480.9375 310.3125 C 453.4286 310.3125 442.46875 284.02821 442.46875 256.03125 C 442.46875 226.57786 453.4286 201.75 480.9375 201.75 z "
+       transform="translate(-2856.9691,534.96128)"
+       id="path2589" />
+    <path
+       inkscape:connector-curvature="0"
+       d="m -2493.5801,726.84646 c 0,12.55091 -10.1848,22.73769 -22.7357,22.73769 -12.5509,0 -22.7357,-10.18678 -22.7357,-22.73769 0,-12.54898 10.1848,-22.7357 22.7357,-22.7357 12.5509,0 22.7357,10.18672 22.7357,22.7357 z"
+       style="fill:#ffffff;fill-rule:evenodd"
+       id="path2591" />
+    <path
+       inkscape:connector-curvature="0"
+       d="m -2538.4815,747.48162 0,128.44925 45.1182,0 0,0 c 2.1181,-6.0773 28.1766,-79.77223 57.9501,-115.627 26.7944,-32.26065 68.377,-71.11405 119.9766,-37.11002 0,0 -48.7864,-46.11763 -112.3492,-9.14816 -40.6632,23.65328 -61.4135,65.40375 -65.4175,76.34017 l 0,-44.01901 c -5.4057,6.81724 -13.7417,11.20583 -23.1106,11.20583 -8.8397,0 -16.7599,-3.91812 -22.1676,-10.09106 l 0,0 z"
+       style="fill:#ffffff;fill-opacity:1;fill-rule:evenodd"
+       id="path2593" />
+    <g
+       id="g3203"
+       style="fill:#ffffff">
+      <path
+         id="path2595"
+         style="fill:#ffffff;fill-rule:nonzero"
+         d="m -2541.3317,920.7815 c 0,-1.61641 -0.1328,-3.23482 -0.1738,-4.80832 l 3.5433,0 0.1308,3.3227 0.086,0 c 1.1772,-2.5379 3.0592,-3.62727 5.6381,-3.62727 3.8888,0 6.5127,2.22749 6.5127,7.1276 l 0,15.46761 -3.6683,0 0,-14.37631 c 0,-3.54132 -1.3139,-5.07383 -3.6741,-5.07383 -2.8854,0 -4.7225,2.01471 -4.7225,6.0324 l 0,13.41774 -3.6721,0 0,-17.48232 0,0 z"
+         inkscape:connector-curvature="0" />
+      <path
+         id="path2597"
+         style="fill:#ffffff;fill-rule:nonzero"
+         d="m -2508.7294,930.13275 c 0,3.05912 -2.0089,5.63609 -5.2008,5.63609 -2.5359,0 -3.758,-1.52667 -3.758,-3.88689 0,-2.58088 2.0537,-4.6346 6.3818,-4.6346 1.0035,0 1.921,0 2.577,0.0898 l 0,2.79559 0,0 z m -10.2746,-9.17747 c 1.2709,-1.39978 3.4554,-2.3173 5.7278,-2.3173 1.5325,0 2.9733,0.39041 3.7132,1.3978 0.7008,0.96049 0.8336,1.9249 0.8336,3.58237 l 0,1.0054 -2.1416,0 c -7.6508,0 -10.4913,3.18991 -10.4913,7.51801 0,4.28711 2.7546,6.42678 6.4267,6.42678 3.4086,0 5.2457,-1.6184 6.2511,-3.3227 l 0.086,0 0.2167,3.01426 3.3246,0 c -0.088,-0.78676 -0.1776,-2.09475 -0.1776,-3.41058 l 0,-11.62555 c 0,-3.14508 -0.9586,-4.4999 -1.9191,-5.4643 -0.7047,-0.6989 -2.6667,-2.09477 -5.9484,-2.09477 -2.1826,0 -4.455,0.65399 -6.2921,1.83708 l 0.3905,3.4535 z"
+         inkscape:connector-curvature="0" />
+      <path
+         id="path2599"
+         style="fill:#ffffff;fill-rule:nonzero"
+         d="m -2486.9034,919.86398 c -1.269,-0.69889 -2.536,-1.0503 -4.2403,-1.0503 -3.5823,0 -6.1183,2.49102 -6.1183,8.52733 0,5.15587 2.4462,8.08617 6.0305,8.08617 1.7511,0 3.2329,-0.52711 4.5018,-1.1811 l 0.1777,3.36369 c -1.0913,0.48028 -3.0611,0.96248 -4.6795,0.96248 -6.6434,0 -9.8803,-4.93917 -9.8803,-11.23124 0,-7.2135 3.764,-11.6724 9.9681,-11.6724 1.5306,0 3.2368,0.30457 4.414,0.87267 l -0.1737,3.3227 z"
+         inkscape:connector-curvature="0" />
+      <path
+         id="path2601"
+         style="fill:#ffffff;fill-rule:nonzero"
+         d="m -2483.0185,905.4955 3.6683,0 0,13.55047 0.092,0 c 0.9585,-1.87802 2.8815,-3.36369 5.4623,-3.36369 3.8908,0 6.5146,2.22749 6.5146,7.1276 l 0,15.4676 -3.6721,0 0,-14.37631 c 0,-3.54132 -1.3139,-5.07382 -3.6722,-5.07382 -2.8873,0 -4.7244,2.01471 -4.7244,6.0324 l 0,13.41773 -3.6682,0 0,-32.78198 0,0 z"
+         inkscape:connector-curvature="0" />
+      <polygon
+         id="polygon2603"
+         style="fill:#ffffff;fill-rule:nonzero"
+         transform="matrix(19.522353,0,0,19.522353,-5102.6644,-2293.242)"
+         points="124.964,168.214 125.524,168.214 125.524,168.384 124.767,168.384 124.767,166.821 124.767,166.821 125.495,166.821 125.495,166.991 124.964,166.991 124.964,167.488 125.47,167.488 125.47,167.658 124.964,167.658 " />
+      <path
+         id="path2605"
+         style="fill:#ffffff;fill-rule:nonzero"
+         d="m -2626.6444,992.7409 c -1.7902,0.65399 -4.8493,1.57157 -7.5649,1.57157 -9.6577,0 -13.7223,-7.34039 -13.7223,-15.60425 0,-9.52688 5.5502,-15.51828 13.5056,-15.51828 2.6218,0 5.0719,0.3514 7.1686,1.35482 l 0,3.84986 c -2.3134,-1.18116 -4.8962,-1.88198 -7.1237,-1.88198 -4.9821,0 -9.5269,3.97867 -9.5269,11.4108 0,7.86754 3.145,13.06633 9.7904,13.06633 1.2221,0 2.7956,-0.30259 3.7991,-0.82578 l 0,-9.61868 -5.1129,0 0,-3.3227 8.787,0 0,15.51829 0,0 z"
+         inkscape:connector-curvature="0" />
+      <polygon
+         id="polygon2607"
+         style="fill:#ffffff;fill-rule:nonzero"
+         transform="matrix(19.522353,0,0,19.522353,-5102.6644,-2293.242)"
+         points="127.091,167.674 127.091,167.835 127.091,167.835 127.575,167.835 127.575,167.674 " />
+      <path
+         id="path2609"
+         style="fill:#ffffff;fill-rule:nonzero"
+         d="m -2595.233,960.48999 3.4965,0 0,-4.373 -3.4965,0 0,4.373 z m -6.9909,0 3.4984,0 0,-4.373 -3.4984,0 0,4.373 z m -6.0305,18.57747 c 0,9.44099 4.3262,15.25283 11.0985,15.25283 7.2135,0 11.4557,-5.33157 11.4557,-15.86777 0,-9.44104 -4.3281,-15.25476 -11.1063,-15.25476 -7.2135,0 -11.4479,5.33741 -11.4479,15.8697 z m 4.0158,0 c 0,-9.40199 3.4105,-12.71879 7.4321,-12.71879 5.1598,0 7.0828,5.94061 7.0828,12.10385 0,9.4 -3.4106,12.7227 -7.4322,12.7227 -5.1539,0 -7.0827,-5.94456 -7.0827,-12.10776 l 0,0 z"
+         inkscape:connector-curvature="0" />
+      <polygon
+         id="polygon2611"
+         style="fill:#ffffff;fill-rule:nonzero"
+         transform="matrix(19.522353,0,0,19.522353,-5102.6644,-2293.242)"
+         points="129.172,168.384 129.172,166.705 129.36,166.705 129.36,167.701 129.752,167.242 129.752,167.242 129.971,167.242 129.523,167.753 130.011,168.384 129.778,168.384 129.364,167.809 129.36,167.809 129.36,168.384 " />
+      <path
+         id="path2613"
+         style="fill:#ffffff;fill-rule:nonzero"
+         d="m -2560.3855,982.86261 c 0,-5.5951 1.6184,-8.4805 5.1129,-8.4805 3.4964,0 5.1148,2.8854 5.1148,8.4805 0,5.59509 -1.6184,8.47857 -5.1148,8.47857 -3.4945,0 -5.1129,-2.88348 -5.1129,-8.47857 z m -3.8498,0 c 0,6.99096 3.063,11.44986 8.9627,11.44986 5.8996,0 8.9587,-4.4589 8.9587,-11.44986 0,-6.99487 -3.0591,-11.45377 -8.9587,-11.45377 -5.8997,0 -8.9627,4.4589 -8.9627,11.45377 z"
+         inkscape:connector-curvature="0" />
+      <polygon
+         id="polygon2615"
+         style="fill:#ffffff;fill-rule:nonzero"
+         transform="matrix(19.522353,0,0,19.522353,-5102.6644,-2293.242)"
+         points="131.115,167.674 131.115,167.835 131.115,167.835 131.599,167.835 131.599,167.674 " />
+      <polygon
+         id="polygon2617"
+         style="fill:#ffffff;fill-rule:nonzero"
+         transform="matrix(19.522353,0,0,19.522353,-5102.6644,-2293.242)"
+         points="131.708,166.821 131.708,166.821 131.923,166.821 132.286,168.095 132.291,168.095 132.673,166.821 132.871,166.821 132.38,168.384 132.183,168.384 " />
+      <path
+         id="path2619"
+         style="fill:#ffffff;fill-rule:nonzero"
+         d="m -2504.5126,981.16415 c 0.086,-5.20463 2.1826,-6.94997 4.5448,-6.94997 2.9284,0 4.3672,2.31344 4.3672,6.94997 l -8.912,0 z m 12.5861,2.7956 0,-1.96783 c 0,-6.5556 -2.7956,-10.57725 -7.8226,-10.57725 -5.5541,0 -8.6152,4.45895 -8.6152,11.45378 0,6.99096 3.0611,11.44986 8.9607,11.44986 2.2315,0 4.5038,-0.47631 6.255,-1.30799 l -0.1777,-3.3227 c -1.263,0.91758 -3.2777,1.83509 -5.1128,1.83509 -4.0646,0 -6.0735,-2.40319 -6.0735,-7.56296 l 12.5861,0 z"
+         inkscape:connector-curvature="0" />
+      <path
+         id="path2621"
+         style="fill:#ffffff;fill-rule:nonzero"
+         d="m -2487.8795,976.51787 c 0,-1.61846 -0.1328,-3.23097 -0.1738,-4.80447 l 3.5414,0 0.1308,3.49642 0.088,0 c 1.1811,-2.7097 3.0572,-3.8049 6.335,-3.8049 l 0,3.62727 c -0.4354,-0.0879 -0.9176,-0.13278 -1.3998,-0.13278 -2.8405,0 -4.8493,2.45201 -4.8493,7.30138 l 0,11.80326 -3.6722,0 0,-17.48618 z"
+         inkscape:connector-curvature="0" />
+      <path
+         id="path2623"
+         style="fill:#ffffff;fill-rule:nonzero"
+         d="m -2472.1836,982.86261 c 0,-5.5951 1.6185,-8.4805 5.1188,-8.4805 3.4945,0 5.1129,2.8854 5.1129,8.4805 0,5.59509 -1.6184,8.47857 -5.1129,8.47857 -3.5003,0 -5.1188,-2.88348 -5.1188,-8.47857 z m -3.8458,0 c 0,6.99096 3.0591,11.44986 8.9646,11.44986 5.8997,0 8.9588,-4.4589 8.9588,-11.44986 0,-6.99487 -3.0591,-11.45377 -8.9588,-11.45377 -5.9055,0 -8.9646,4.4589 -8.9646,11.45377 z"
+         inkscape:connector-curvature="0" />
+      <path
+         id="path2625"
+         style="fill:#ffffff;fill-rule:nonzero"
+         d="m -2453.8716,976.51787 c 0,-1.61846 -0.1308,-3.23097 -0.1776,-4.80447 l 3.5413,0 0.1308,3.49642 0.088,0 c 1.1811,-2.7097 3.063,-3.8049 6.3408,-3.8049 l 0,3.62727 c -0.4373,-0.0879 -0.9175,-0.13278 -1.3997,-0.13278 -2.8425,0 -4.8552,2.45201 -4.8552,7.30138 l 0,11.80326 -3.6683,0 0,-17.48618 z"
+         inkscape:connector-curvature="0" />
+      <path
+         id="path2627"
+         style="fill:#ffffff;fill-rule:nonzero"
+         d="m -2428.5511,982.86261 c 0,5.59509 -1.5306,8.47857 -4.8943,8.47857 -3.3676,0 -4.8962,-2.88348 -4.8962,-8.47857 0,-5.5951 1.5286,-8.4805 4.8962,-8.4805 3.3637,0 4.8943,2.8854 4.8943,8.4805 z m 3.6741,-21.63664 -3.6741,0 0,13.55047 -0.084,0 c -1.4876,-2.36414 -3.1509,-3.3676 -5.6888,-3.3676 -4.5858,0 -7.6898,3.76 -7.6898,11.45377 0,7.69179 3.104,11.44986 7.6898,11.44986 3.2368,0 4.9001,-1.83118 5.8587,-3.58039 l 0.088,0 0.1327,3.27582 3.5394,0 c -0.047,-1.35482 -0.1718,-2.75262 -0.1718,-4.10942 l 0,-28.67251 0,0 z"
+         inkscape:connector-curvature="0" />
+      <path
+         id="path2629"
+         style="fill:#ffffff;fill-rule:nonzero"
+         d="m -2419.9027,976.51787 c 0,-1.61846 -0.1308,-3.23097 -0.1757,-4.80447 l 3.5414,0 0.1307,3.31879 0.092,0 c 1.1773,-2.53207 3.0534,-3.62727 5.6362,-3.62727 3.8908,0 6.5146,2.2314 6.5146,7.1276 l 0,15.47153 -3.6741,0 0,-14.38017 c 0,-3.54331 -1.31,-5.06998 -3.6741,-5.06998 -2.8796,0 -4.7166,2.00881 -4.7166,6.0324 l 0,13.41775 -3.6741,0 0,-17.48618 0,0 z"
+         inkscape:connector-curvature="0" />
+      <path
+         id="path2631"
+         style="fill:#ffffff;fill-rule:nonzero"
+         d="m -2383.1031,989.20735 c 0,1.6184 0.1328,3.2368 0.1738,4.80837 l -3.5433,0 -0.1308,-3.32077 -0.086,0 c -1.1772,2.53405 -3.0592,3.62534 -5.6361,3.62534 -3.8908,0 -6.5146,-2.22749 -6.5146,-7.12175 l 0,-15.47345 3.6741,0 0,14.38215 c 0,3.53741 1.308,5.06798 3.6721,5.06798 2.8815,0 4.7186,-2.01272 4.7186,-6.0324 l 0,-13.41773 3.6721,0 0,17.48226 0,0 z"
+         inkscape:connector-curvature="0" />
+      <path
+         id="path2633"
+         style="fill:#ffffff;fill-rule:nonzero"
+         d="m -2377.7735,976.51787 c 0,-1.61846 -0.1308,-3.23097 -0.1776,-4.80447 l 3.5413,0 0.1308,3.31879 0.092,0 c 1.1831,-2.53207 3.0591,-3.62727 5.6361,-3.62727 3.8928,0 6.5146,2.2314 6.5146,7.1276 l 0,15.47153 -3.6741,0 0,-14.38017 c 0,-3.54331 -1.308,-5.06998 -3.6683,-5.06998 -2.8854,0 -4.7224,2.00881 -4.7224,6.0324 l 0,13.41775 -3.6721,0 0,-17.48618 0,0 z"
+         inkscape:connector-curvature="0" />
+      <path
+         id="path2635"
+         style="fill:#ffffff;fill-rule:nonzero"
+         d="m -2354.1124,982.86261 c 0,-5.5951 1.5325,-8.4805 4.9001,-8.4805 3.3637,0 4.8943,2.8854 4.8943,8.4805 0,5.59509 -1.5306,8.47857 -4.8943,8.47857 -3.3676,0 -4.9001,-2.88348 -4.9001,-8.47857 z m 13.4626,-7.08077 c 0,-1.35483 0.1328,-2.7546 0.1777,-4.06453 l -3.5394,0 -0.1328,3.23091 -0.086,0 c -1.2221,-2.13961 -3.2368,-3.53938 -5.4643,-3.53938 -4.9801,0 -8.0861,3.76 -8.0861,11.45377 0,7.69179 3.106,11.44986 7.6957,11.44986 2.4461,0 4.414,-1.22209 5.8547,-3.75807 l 0.086,0 0,3.50038 c 0,3.84392 -1.7492,6.50872 -6.2491,6.50872 -2.0088,0 -4.5467,-0.87263 -6.1182,-1.91902 l -0.1777,3.71512 c 1.6184,0.654 4.6366,1.3529 6.5126,1.3529 4.8962,0 9.5269,-2.5769 9.5269,-8.7402 l 0,-19.19046 0,0 z"
+         inkscape:connector-curvature="0" />
+    </g>
+  </g>
+</svg>