doc fixes, to link to function, just write gst_cool_function(), don't prefix with '#'

doc fixes, to link to function, just write gst_cool_function(), don't prefix with '#'

Original commit message from CVS:
* gst/gstcaps.c:
* gst/gstelement.c: (gst_element_send_event):
* gst/gstevent.c:
* gst/gstinfo.c:
* gst/gstiterator.c:
* gst/gstiterator.h:
* gst/gstpad.c: (gst_pad_send_event):
* gst/gststructure.c:
* gst/gsturi.c:
* gst/gstutils.c:
* gst/gstvalue.c:
* libs/gst/base/gstadapter.c:
doc fixes, to link to function, just write gst_cool_function(), don't
prefix with '#'