- updated BRs (ac, gt, vcdimager; added libv4l)

- updated BRs (ac, gt, vcdimager; added libv4l)
- separated -decode-faad (FAAD audio decoder)
- separated -decode-ffmpeg ("ff" decoder)
- separated -decode-image (ImageMagick-based image decoder)
- separated -decode-mng (MNG decoder/demuxer)
- separated -post-ffmpeg (libpostproc-based post_planar plugin)
- moved SPU decoder to -input-dvd (decoder uses libdvdread library)
- updated todo (xine-lib now uses external libdvdnav;
  more external libs to check: a52dec, libdts, libmad)

Changed files:
    xine-lib.spec -> 1.294