Use https, fix format

xsl/footer.xsl

@@ -4,7 +4,8 @@
   xmlns="http://www.w3.org/1999/xhtml"
   xmlns:rss="http://purl.org/rss/1.0/"
   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
-  xmlns:date="http://exslt.org/dates-and-times"                                               exclude-result-prefixes="xsl rss rdf">
+  xmlns:date="http://exslt.org/dates-and-times"
+  exclude-result-prefixes="xsl rss rdf">
 
   <xsl:template name="footer">
     <footer id="footer">
@@ -18,7 +19,7 @@
 	  <xsl:comment>
 	    <xsl:text> Creative Commons License </xsl:text>
 	  </xsl:comment>
-	  <a rel="license" href="http://creativecommons.org/licenses/by-sa/2.0/de/deed.de">
+	  <a rel="license" href="https://creativecommons.org/licenses/by-sa/2.0/de/deed.de">
 	    <img src="{$baseurl}images/footer/cc-somerights20.png"
 		 width="88" height="31"
 		 alt="Creative Commons License"
@@ -55,7 +56,7 @@
 	  <p id="last-built"><xsl:value-of select="concat('built ', translate(substring(date:date-time(), 0, 20), 'T', ' '))" /></p>
         </li>
 	<li>
-	  <a href="http://www.w3.org/html/logo/">
+	  <a href="https://www.w3.org/html/logo/">
 	    <img src="{$baseurl}images/footer/html5-badge-h-multimedia-semantics.png"
 		 width="83" height="32"
 		 alt="HTML5 Powered with Multimedia, and Semantics"