Comments added
Merge from simulator code and fixed some issues with the communication.

Added overall velocity in globals to modulate every skill speed.

Merge branch 'master' of https://github.com/mllofriu/robobulls2

Conflicts:
	behavior/stopbehavior.cpp
	communication/robcomm.h
	skill/gobackward.cpp
	skill/goforward.cpp
	skill/gotoposition.cpp
	skill/gotopositionwithorientation.cpp
	skill/kick.cpp
	skill/stop.cpp