add drc and audio processing commands to azur service
make sure 7bytes are always written on serial port for azur service as per CA spec
- move to setup.py, server -> rs232modules
- move to use env instead of hardcoding python2 path
- add systemd service file
update copyright year
Merge branch 'master' into inheritance

Conflicts:
	rs232_server.py
	rs232modules/azur_service.py
	rs232modules/base_service.py
	rs232modules/lgtv_service.py
	rs232modules/serial_controller.py
	rs232modules/shared.py
	server/AzurService.py
	server/BaseService.py
	server/LgtvService.py
	server/SerialController.py
	server/Shared.py
	server/azur_service.py
	server/base_service.py
	server/lgtv_service.py
	server/serial_controller.py
	server/shared.py
update TODO