Original commit message from CVS:
* docs/plugins/gst-plugins-good-plugins-sections.txt:
* gst/multipart/Makefile.am:
* gst/multipart/multipartdemux.c:
* gst/multipart/multipartdemux.h:
* gst/multipart/multipartmux.c:
* gst/multipart/multipartmux.h:
Re-add multipartdemux to the docs. Last round of section cleanup.
