Synth work-in-progress stuff (doesn't compile)
Added begin and end to Queue
Continued working on Synth sound system
Added Queue::Front() and Queue::Back() methods
New approach for sound synthesis with 'micro-ops'
Synth module: Cleanup and Android fixes
Added RenderFacade::ReadPixels and minor type fix in glTextureFactory
Addec non-const Front/Back method to Queue
separated voiceTrack and voice, rewrote sound op enqueuing
Linux compile fix
Synth module: started separation into CPU and GPU audio synthesis
continued with GPU audio synthesis
Merged synth_wip branch