controller:app: Updated AVDECC Controller command line test application.
controller:lib: Added implementation for SET_CLOCK_SOURCE and
GET_CLOCK_SOURCE commands.
controller:app: Updated AVDECC Controller command line test application
to view descriptor fields information based on the type and index of the
descriptor.
controller:lib: Added implementations for SET_STREAM_FORMAT,
SET_SAMPLING_RATE, GET_CLOCK_SOURCE, SET_CLOCK_SOURCE, START_STREAMING,
and STOP_STREAMING commands. Code updates.

controller:app: Updates command line application.

Updated README file.
controller:lib: Updated commentation.
controller:lib: Added end of file new lines to source files.
Merge pull request #12 from denniszhuo/master

Major update AVDECC Controller v0.0.7