Add esc_status to vehicle fact group

Refactor/fixes for ProximityRadar and friends

Remove unused code

- add NOTIFY for distanceSensor property
- add DistanceSensorReadingsChange() callback prototype

- revert excessive NOTIFY
- adding MaxSensor into DistanceSensor frame handling

- add proximity radar view in map view
- add proximity radar view in video view

change distance label positioning in video view

clean up unwanted comments

- space up proximity sectors
- revert unwanted changes in qgroundcontrol.qrc

squashed commits

Less twitchy value grid width sizing

Unified photo/video control which works with mavlink cameras and just video stream

Move Vibration to Analyze

Remove unused code

Telemetry Values bar at center bottom

Ready To Fly support based on MAV_SYS_STATUS_PREARM_CHECK

Remove duplicate resource

Support stacked component dialogs

New standalone mission editor unit test

Support param meta data and gzip json

New initial connect state machine which supports COMPONENT_INFORMATION

Common control for Pattern tab bar

Tweaks to toolbar visibility

Modified support for multiple first run pages. Added first run for offline vehicle settings.

Added configurable value grid to toolbar

ToolStrip rearchitecture for encapsulation and customization

Re-architect toolbar for better customization capabilities. Also use less real estate.

Rework Fly View into separate layers which can be customized at each layer.

More FlyView encasulation. Make QGCPipOverlay completely self contained

More work on encapsulation in Fly View

Fly View: Move business logic inside controls

Major rework to support terrain profile display and terrain collision reporting

Support for reusable InstrumentValueArea control

Refactor instrument value controls