HM HEVC encoder/decoder binaries included.  FFmpeg binary included.  Encoder class created.
Encoding update.
Configuration file writing functional.
Encoder being called as external executable.  Errors produced and return value being printed to console.
Encoder successfully encoding test .yuv
Encoding and toYUV tasks implemented as Callable tasks such that the results can be waiting on before calling another process.
Encoder working with test.avi file.
Documentation update.
Test cfg file committed for reference of correct output.
Merge branch 'feature/encoding'