Add vehicle heading to plan toolbar

Fixes

Fix survey drag visual glitches

Also work on plan toolbar readability

Strange IP indicators where a Qt 5.8 glitch

RTK fixes

Set flight speed in Waypoint items

Exception created to improve TTS saying ADSB

Fix binding loops in MissionItemIndexLabel

Revised changes to ArduCopter Flight Modes

Survey size

ArduPilot: Put back guided mode takeoff

Add manual entry option for enumerated and bitmask parameters

Fix Safety page layout loop

Support survey polygon drag

Add support for NaN in mission command params

Sub updates

Make AnalyzeView controllers persistent

Replace flight view icons

New Arm/Disarm toolbar indicator