AutoTest: rename and remove copter mission files
Copter: initialise ch7 and ch8 aux switches

This ensures that if you have simple mode or sonar attached to an
auxiliary switch it will be enabled or disabled according to the switch
immediately after start-up
Merge branch 'master' into bq34z100-smart-battery-sensor
small work towards OOP battery
implementing the read functions, added register values, attempting to make a consistent interface