doc: Update components.txt and top-level README

README

@@ -127,7 +127,8 @@ The Genode source tree is composed of the following subdirectories:
   to Genode, most importantly the C library. The repository contains no
   upstream source code but means to download the code and adapt it to Genode.
   For instructions about how to use this mechanism, please consult the README
-  file at the top level of the repository.
+  file at the top level of the repository. Among the 3rd-party libraries
+  are Qt5, libSDL, freetype, Python, ncurses, Mesa, and libav.
 
 :'dde_linux':
 
@@ -155,7 +156,8 @@ The Genode source tree is composed of the following subdirectories:
 
   This source-code repository contains the Genode version of Qt4 framework.
   Please find more information about using Qt4 with Genode in the repository's
-  'README' file.
+  'README' file. Please note that the Qt4 support is deprecated. Use Qt5
+  as contained in 'libports' instead.
 
 :'ports':
 

doc/components.txt

@@ -393,6 +393,9 @@ Libraries:
 :'qt4':
   Qt4 framework, using nitpicker session and NIC session as back end.
 
+:'libports/lib/mk/qt5_*':
+  Qt5 framework, using nitpicker session and NIC session as back end.
+
 
 Applications
 ############
@@ -427,6 +430,9 @@ located in their respective directory.
 :'qt4/src/app/examples/':
   Several example applications that come with Qt4.
 
+:'libports/src/app/qt5':
+  Qt5 examples including qt_launchpad and qt_avplay.
+
 :'os/src/app/xvfb':
   Is a proxy application that enables the integration of a virtual X server
   into a Nitpicker session on the Linux base platform.