Move inclusion of stdbool.h to main.h
Add basic PWM motor control
Merge branch 'master' into motor_control

Conflicts:
	src/main.c
Merge branch 'master' into motor_control
4 channels of TIM to generate PWM signal
Add motor control structure
Add lock/unlock for speed, macro for switch OD/PP GPIO mode
clang_complete: Add missing include
Merge branch 'motor_control'