initial optimizations to AudioMixer with mmx additions
more MMX optimizations to AudioMixer for delayed samples
resolve conflicts on merge with upstream master
repair a conflicted translation file
some really trivial magic number replacements
Merge pull request #2331 from birarda/audio-scaling

AudioMixer optimizations with MMX intrinsics
Merge branch 'master' of https://github.com/worklist/hifi into experimental_scaling