More accurate delay
Accurate on 1 microsecond.
Fairly accurate

Decviates on 0-200 ns up to 10 microseconds.
Updated the test-file

Now contains accurate test function.
As accurate as it gets
Removed code that was commented away in delay.c
Updated the comments on delay.c and .h
Fixed merge-conflicts
Merge remote-tracking branch 'origin/integration' into pwm

Conflicts:
	src/sam3x8e/delay.c