gst/elements/gsttypefindelement.c: Don't restart typefinding on a discont.

gst/elements/gsttypefindelement.c: Don't restart typefinding on a discont.

Original commit message from CVS:
2005-06-23  Jan Schmidt  <thaytan@mad.scientist.com>

* gst/elements/gsttypefindelement.c:
(gst_type_find_element_handle_event):
Don't restart typefinding on a discont.
* gst/gstelement.c: (gst_element_set_state):
Debug spelling fix.
* gst/gstpad.c: (gst_pad_set_active), (gst_pad_send_event):
Allow changing mode of an active pad.
Debug output fixes.
* gst/registries/gstlibxmlregistry.c: (load_feature):
Don't cast a static pad template to a normal pad template.