Remove commented out parts that we don't need. Remove "the wingo addition" - no so useful after all. Narrow down file-globs for plugin docs.
Original commit message from CVS: 2006-01-31 Thomas Vander Stichele <thomas at apestaart dot org> * docs/plugins/Makefile.am: * docs/plugins/gst-ffmpeg-plugins-docs.sgml: first stab at documenting ffmpeg elements. Needs work.
Original commit message from CVS: add more stuff for docs