initial support for a 'hud' display feature has been added. Much more testing needs to be done. Also, added Path.py as the first module to briefly support this feature.
Merge branch 'dev-integration' of github.com:PalouseRobosub/robosub into dev-integration

Conflicts:
	src/sensor/vision/frame_processor.py
Merge remote-tracking branch 'origin/dev-integration' into dev-integration