Subscribe to setpoint topic.
Merge branch 'master' into setpoint

Resolved:
	offboard_comm.cpp
Remove obsolete python node.
Include in brackets.
Add header declaration.
Use translations, not rotations.
Add velocity calculator.
Merge branch 'setpoint' of github.com:osurdml/offboard_comm into setpoint

Resolved:
	offboard_comm.h
Call velocity update from tf and target callbacks.
Refactor.
Make it build.
Fix math.
Rewrite and reorganize.