Doc updates.

Original commit message from CVS:
* docs/gst/gstreamer-sections.txt:
* gst/glib-compat.c:
* gst/gsttagsetter.c:
* gst/gstvalue.c:
* gst/net/gstnetclientclock.c:
* gst/net/gstnettimepacket.h:
Doc updates.
9 files changed