libavfilter/libmpcodecs: sync existing filters with mplayer HEAD (ebcacb8b3ca91ef90acb93785b62fd8c5e5dae41)

Authors from svn:
cehoyos (2):
      Support playback of JPEG 2000 digital cinema files.
      Add name for image format IMGFMT_440P.

ib (1):
      Get rid of VOCTRL_GUI_NOWINDOW.

Matt Oliver (4):
      Fix libmpcodecs inline asm on ICL.
      Use DECLARE_ALIGNED helper macros.
      Remove some superfluous commas from inline asm for better compatibility.
      Use numeric labels in inline asm for consistency and better     compatibility.

reimar (10):
      Fix bpp calculation for XYZ format.
      Avoid duplicating the mouse autohide code.
      Add NV12/NV21 support to some helper functions.
      Add support for rotating the video via OpenGL.
      Add options to determine where borders will be added when adjusting for aspect.
      Apply forgotten move of apply_border_pos function.
      Extract window creation code to common file.
      Make VDPAU support work again with latest FFmpeg.
      img_format: document why mp_get_chroma_shift does not work for NV12/NV21
      Minor spelling/grammar fixes.

For detailed line by line authorship please see svn log of mplayer
svn://svn.mplayerhq.hu/mplayer/trunk

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
doc/APIchanges: add hashes and dates

Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
doc/APIchanges: more dates and hashes

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avfilter/vf_showinfo: also calculate and show mean and standard deviation

Fixes Ticket3013

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>