Ported the 1394 source to 0.9.

Ported the 1394 source to 0.9.

Original commit message from CVS:
* configure.ac:
* ext/raw1394/Makefile.am:
* ext/raw1394/gstdv1394src.c: (gst_dv1394src_get_type),
(gst_dv1394src_class_init), (gst_dv1394src_init),
(gst_dv1394src_iso_receive), (gst_dv1394src_create),
(gst_dv1394src_change_state), (gst_dv1394src_convert),
(gst_dv1394src_get_query_types), (gst_dv1394src_query):
* ext/raw1394/gstdv1394src.h:
Ported the 1394 source to 0.9.