ext/amrwb/gstamrwbdec.c (gst_amrwbdec_debug, GST_CAT_DEFAULT, _do_init, gst_amrwbdec_base_init, gst_amrwbdec_class_in...

Original commit message from CVS:
* ext/amrwb/gstamrwbdec.c (gst_amrwbdec_debug, GST_CAT_DEFAULT,
_do_init, gst_amrwbdec_base_init, gst_amrwbdec_class_init):
* ext/amrwb/gstamrwbenc.c (gst_amrwbenc_debug, GST_CAT_DEFAULT,
_do_init, gst_amrwbenc_base_init, gst_amrwbenc_class_init):
* ext/amrwb/gstamrwbparse.c (gst_amrwbparse_debug, GST_CAT_DEFAULT,
_do_init, gst_amrwbparse_base_init, gst_amrwbparse_class_init):
First round of cleanups, that use GST_BOILERPLATE, GST_ELEMENT_DETAILS,
GST_DEBUG_FUNCPTR and add log-category.