Roll/Pitch/Yaw O/C-Loop Controls, Delay Mode Change, and more

Implemented R/P/Y O/C-Loop controls
Tested Open-Loop R/P/Y Controls and works well
Delay mode change to MAN by 2 seconds, to SAFE by 0.6 seconds
Safe mode uses 10 us PWM to motor controllers, isn't bad for controllers
Use "Servo_Out" array as "PilotStickAngle_In" array for now
Add Debug support for "startup_quad_ground"
Merge branch 'master' of https://github.com/pmrancuret/ArduPilot_Quadcopter_Modified

Conflicts:
	ArduPilot_2_7_Modified.cpp
	defines.h
	servos.pde