[FFmpeg-cvslog] Merge remote-tracking branch 'qatar/master'

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Wed Jan  9 12:30:14 2013 +0100| [4765f635387cef3efb01e52e59d4f3add126a0e2] | committer: Michael Niedermayer

Merge remote-tracking branch 'qatar/master'

* qatar/master:
  xan: Convert to bytestream2
  oggenc: add a page_duration option and deprecate the pagesize option
  x86: lavr: add SSE2/AVX dither_int_to_float()

Conflicts:
	libavcodec/xan.c
	libavformat/oggenc.c

Merged-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=4765f635387cef3efb01e52e59d4f3add126a0e2
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