Original commit message from CVS:

* docs/README:
* gst/gstpad.c: (gst_pad_class_init), (gst_pad_chain):
* gst/gstpluginfeature.c:
* gst/gstutils.c:
various doc updates
* gst/base/gstbasesink.c: (gst_base_sink_handle_object):
change an assert into an error until it gets fixed properly