Revision 1:
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* Fixed a bug in the ESC calibration routine that set the upper level to 50% instead of 100% on M7 and M8. Only OCTOs were affected by this bug.
* Fixed warning about M7/M8 being set to ESC mode displayed when entering the Camera Stab Settings screen.
* Optimized code for printing ACC values in sensorcal.asm.
* Corrected the variable type for 'TuningRateValue'.
* Removed an unused file (liveupdate.asm).


Revision 2:
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* Adjustable LCD contrast.
* Battery voltage is logged and displayed on the SAFE screen.
* Corrected the motor layout for 'DualCopter'. Rotation for M1 was incorrect.
* Customizable AUX switch functions (5 positions).
* Two new gimbal modes, LOCK and HOME, are controlled from a 3-way switch on channel 8. Home position is configurable.
* Added the "SL Mixing" parameter to the Stick Scaling screen. This adjusts the stick input sensitivity in all "SL Mixed" modes.
* Flight mode replaced 'Self-level' on the SAFE screen and will indicate "ACRO", "SL MIX LOW/MED./HIGH" or "NORMAL SL".
* LED flashing in sync with the LVA (Low Voltage Alarm) beeps.
* LED will flash rapidly for a few seconds after arming if no Low Voltage Alarm value is set.
* No access to the Mixer Editor or the Show Motor Layout screen unless a motor layout is selected.
* The Lost Model Alarm will sound after 20 seconds (i.e. after the Auto Disarm countdown).
* ACC Trim values can be tuned remotely.
* The Confirmation dialogue now has a header ("CONFIRM") and is also more informative.
* A confirmation beep is produced when the AUX switch is moved to a new position.
* ESC throttle calibration is now a lot safer since it now requires enabling through the KK2 menu before it can be accessed.
* Improved button handling on the main menu. Pushing button 4 (MENU) on the SAFE screen and holding it down for too long will no longer activate a menu item.
* Fixed a bug that prevented remote tuning of SL P-gain from working.
* Fixed a bug in the Number Editor (original firmware) that allowed setting a value to zero (CLR) when the lower limit was higher (e.g. CPPM channel setup).
* Fixed a bug in the original firmware that kept the "Link Roll Pitch" flag from being updated until the user returned to the SAFE screen.


Revision 2a:
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* Fixed a bug in the new gimbal HOME code. The Home position value wasn't initialized correctly even if it appears to be OK on the Gimbal Settings screen.
