Introducing process switch including process context switch.
Currently process are switched every ~3 seconds. Currently there are two
process plus idle process. Proecess one and two are blinking LED one or
two at differen speed.
Merge remote-tracking branch 'origin/HEAD'

Conflicts:
	src/hal/omap3530/timer/gptimer.c
	src/hal/omap3530/timer/gptimer.h
	src/main.c