Original commit message from CVS: * gst/qtdemux/qtdemux.c: (gst_qtdemux_add_stream), (qtdemux_parse), (qtdemux_node_dump_foreach), (qtdemux_parse_trak), (qtdemux_video_caps), (qtdemux_audio_caps): Some more constification. Fix some paletted data formats again. Fix ulaw/alaw in qt. Set correct caps for raw RGB. Add support for yuv2, which is like Yuv2. Add support for raw audio with the NONE fourcc, which is like raw.