Try using thaytans new mechanism to get extra classes into plugin docs. Aparently...

Try using thaytans new mechanism to get extra classes into plugin docs. Aparently works for the Eq. For VideoMixer th...

Original commit message from CVS:
* docs/plugins/gst-plugins-good-plugins-docs.sgml:
* docs/plugins/gst-plugins-good-plugins-sections.txt:
* docs/plugins/gst-plugins-good-plugins.args:
* docs/plugins/gst-plugins-good-plugins.hierarchy:
* docs/plugins/gst-plugins-good-plugins.interfaces:
* docs/plugins/gst-plugins-good-plugins.types:
* gst/videomixer/videomixer.c:
Try using thaytans new mechanism to get extra classes into plugin
docs. Aparently works for the Eq. For VideoMixer the GObject stuff is
missing still.