Merge pull request #20 from denniszhuo/master

Updated dll and command line application.
controller:lib: Added implementations for AUDIO_CLUSTER and AUDIO_MAP
descriptors. Updated CONFIGURATION descriptor class to contain
AUDIO_CLUSTER and AUDIO_MAP descriptors objects. Updated STREAM_INPUT
and STREAM_OUTPUT descriptors classes to return correct clock_sync_source.
controller:app: Removed avdecc_controller from files names. Updated
command line test application.