Tools: autotest: Added timeout, mavutil const in test_guided_local_target()
Tools: autotest: Corrected mesage checking in test_guided_local_target()
Tools: autotest: Fixed comments in test_guided_local_target()
Tools: autotest: Added test for checking whether correct local target is
received by Copter
Tools: autotest: added error tolerance, divided check into xyz components
Tools: autotest: Added test for correct local velocity target for Copter
Tools: autotest: Added test for checking if POSITION_TARGET_LOCAL messages are sent only in Guided Mode for Copter