Merge pull request #16 from andrew-elder/master

linux log and notify classes
controller:lib: Updated source code and changed static variables into
member variables. Added member functions called by static
thread processing functions.
controller:lib: Updated source code and fixed string conversion bug.

controller:app: Updated command line application to display localized
descriptions.

Updated README format.
Merge pull request #17 from denniszhuo/master

Major update for AVDECC Controller library and README file
controller: linux additions