ext/vorbis/: Remove left-over 0.8 cruft; use GST_DEBUG_FUNCPTR; make vorbisenc adhere to the official nomenclature; u...

Original commit message from CVS:
* ext/vorbis/vorbisdec.c: (gst_vorbis_dec_class_init),
(gst_vorbis_dec_init), (vorbis_dec_finalize):
* ext/vorbis/vorbisdec.h:
* ext/vorbis/vorbisenc.c: (gst_vorbis_enc_add_interfaces),
(gst_vorbis_enc_base_init), (gst_vorbis_enc_class_init),
(gst_vorbis_enc_sink_setcaps), (gst_vorbis_enc_convert_src),
(gst_vorbis_enc_convert_sink), (gst_vorbis_enc_get_query_types),
(gst_vorbis_enc_src_query), (gst_vorbis_enc_sink_query),
(gst_vorbis_enc_init), (gst_vorbis_enc_get_tag_value),
(gst_vorbis_enc_metadata_set1), (gst_vorbis_enc_set_metadata),
(gst_vorbis_enc_setup), (gst_vorbis_enc_clear),
(gst_vorbis_enc_buffer_from_packet),
(gst_vorbis_enc_buffer_from_header_packet),
(gst_vorbis_enc_push_buffer), (gst_vorbis_enc_push_packet),
(gst_vorbis_enc_set_header_on_caps), (gst_vorbis_enc_sink_event),
(gst_vorbis_enc_chain), (gst_vorbis_enc_output_buffers),
(gst_vorbis_enc_get_property), (gst_vorbis_enc_set_property),
(gst_vorbis_enc_change_state):
* ext/vorbis/vorbisenc.h:
Remove left-over 0.8 cruft; use GST_DEBUG_FUNCPTR; make
vorbisenc adhere to the official nomenclature; use boilerplate
macro.