Original commit message from CVS:

* configure.ac:
* docs/Makefile.am:
* docs/plugins/.cvsignore:
* docs/plugins/gst-ffmpeg-plugins-docs.sgml:
* docs/plugins/gst-ffmpeg-plugins.args:
* docs/plugins/gst-ffmpeg-plugins.hierarchy:
* docs/plugins/gst-ffmpeg-plugins.interfaces:
* docs/plugins/gst-ffmpeg-plugins.prerequisites:
* docs/plugins/gst-ffmpeg-plugins.types:
* docs/plugins/inspect.stamp:
* docs/plugins/inspect/plugin-ffmpeg.xml:
* docs/version.entities.in:
First step at adding docs