Replaced BatteryFailSafe CheckBox with a ComboBox to allow DISABLED, LAND, and RTL options.
UI updates for clarity.
Separate headings for Throttle Failsafe and Battery Failsafe features
Updated Arduplane and ArduCopter modes

New modes were missing.
Graph View: More changes to MODE to show the proper mode at the proper position
Firmware Install: Change to use internal code for PX4 Firmware Update

This change also adds a COA Verification program, and notifies the user
if the COA fails, but continues with the firmware upload
Auto Update: Fix for auto update regex, and extra quotes around APP_PLATFORM