Simplified SCARA_ang_move()
snprintf in SCARA_ang_move
Merge pull request #453 from RepRapMorgan/SCARAcal

Add SCARAcal to Smoothieware
Manual merge of gridlevel: Working Morgan on Smoothieware

	modified:   src/modules/robot/Robot.cpp
	modified:   src/modules/robot/Robot.h
	modified:   src/modules/tools/scaracal/SCARAcal.cpp
	modified:   src/modules/tools/scaracal/SCARAcal.h