Original commit message from CVS:
* gst/gstbin.c:
Update documentation.
* gst/gstelement.c: (gst_element_class_init),
(gst_element_release_request_pad), (gst_element_set_clock),
(gst_element_get_index), (gst_element_add_pad),
(gst_element_remove_pad), (gst_element_get_random_pad),
(gst_element_send_event), (gst_element_get_query_types),
(gst_element_query), (gst_element_post_message),
(gst_element_message_full), (gst_element_continue_state),
(gst_element_lost_state), (gst_element_save_thyself),
(gst_element_restore_thyself):
Documentation updates.
Rename last bit of the new-pad -> pad-added signal rename.
Fix the case where an element query would only work if the source
pad was linked.
Avoid some useless type checking in message handling.
* gst/gstevent.c:
* gst/gstevent.h:
* gst/gstutils.c:
Documentation updates.