updated the VRepSimulator
Merge branch 'master' of https://github.com/sauravag/FIRM-MATLAB

Conflicts:
	All_simulator_classes/Simulator.m
	Main.m
Merge branch 'master' of https://github.com/sauravag/FIRM-MATLAB

Conflicts:
	All_PRM_classes/PRM_class.m
	All_belief_classes/belief.m
	All_motion_models/MotionModel_class.m
	All_stabilizer_classes/stabilizer_class.m
	All_state_classes/state.m
Fixed some errors. Check the concatenation of the nominal controls, that is where the errors are
hapening.