Restore QGC to its normal UI layout (buttons on toolbar)

Stable merge

Stable merge

Offline Maps: Allow custom build override of min/max zoom levels, max tile download

Fixed Wing Landing Pattern: Use standard Altitude Mode labeling

Fix: Tile errors were reported twice

Consistent Altitutude Mode labelling in all complex items

Use consistent Altitude Mode labeling

Use new extraUnitField

Show extra unit in small font

Reduce space between graphic and text

Use standard Altitude Mode labeling

Add new file

Fix double tile download error reporting

Prevent double reporting of tile download errors

Offline Maps: Allow custom build settings overrides

Object ownership handled by SettingsGroup base class

ArduRover: Add Follow mode

ArduPilot: Add Follow mode to Rover

Add SimpleROV-5 frame for Sub

Heading: Switch from Radians to Degrees

Add support for ArduRover MockLink

Add FOLLOW flight mode

Heading: Switch from Radians to Degrees

BUGFIX: When scanning from the top the starting altitude shall be equ…

Better handling of NaN in LOITER_* commands

Work around quirkiness with ArduPilot and LOITER_* NaN handling on heading.

No camera commands for ArduPilot

StructureScanFix: Starting altitude