apply astyle
MpaDecFilter: created CMixer class
update Little CMS to v2.4 rc2 (git eba3ad7)
change wording
update ffmpeg (911519c)
Fix a typo in a comparison.

Spotted with Cppcheck, it propably had no impact.
version.sh: use a hardcoded version if git isn't available.

s Please enter the commit message for your changes. Lines starting
MpaDecFilter: created CPaddedArray and CFFAudioDecoder classes
add a cppcheck project
indentation cosmetics
update ffmpeg (16c03f2)
rename MpcAudioRendererFilter to MpcAudioRenderer
.aob and .mlp added to "Other Audio" group
update Little CMS (728139a)
update docs
add .m4r to formats
update ffmpeg (51fa653)
fix compilation with ICL12

Patch by zener95.

This fixes issue 2600.
MpaDecFilter: made less format conversions for LPCM, QTPCM, PS2Audio (step 1)
MpaDecFilter: made less format conversions after ffmpeg decoder (step 2)