adding MAF filter to the extras folder
optimizing disarming/disarmed sequence
optimizing motor output in serial com
initial configurator code for motor commands

inspired by Shadow6363
Merge remote-tracking branch 'upstream/master'
configurator/fc motor command processing
finishing touches to motor command handling
bugfixes
optimizing hardcoded stuff in ESC calibration
some higher accuracy scale factors in 3d view tab
improving LED status support
pre-comit to generalize CHANNELS
PWM Receiver support with HW timer for teensy 3.0
enhanced RX failsafe routine from kha
reverting unnecessary PPM code changes
documentation for PWM receiver
Removing LED_PIN, adding test support to RF24
Merge branch 'master' of ssh://github.com/cTn-dev/Phoenix-FlightController

Conflicts:
	controller/controller.ino