Terrain Tiles: Persist header info as doubles

Persist tile info as doubles. This prevent float/double precision match errors at the edge of tiles.

Bump terrain tile version due to format change

Terrain: Better error handing

Turn internal errors (elevation == -1) into failed query to prevent bogus elevation from reaching upper layers.

Fix failure handling

Use qCWarning for internal errors

Wrap text in Offline Map Options

Save camera settings

Wrap text

Orbit: Remove WIP

Survey: Fix editor sizing

Remove WIP

Fix editor sizing

Work around android Qt bug where wrong virtual keyboard is displayed

Work around android Qt bug where wrong virtual keyboard is displayed

FW Landing Pattern: Allow set position/heading from vehicle

Survey: Fix double load from KML

WIND_COV: Fix negative wind direction

Fix negative wind direction

Fix FactValueSlider initial value calcs

Set parameter file extension if needed

Add Sentera cameras

Fix initial value calculations

Add flickable

Add file extension if needed

Duplication cleanup

Add Sentera cameras

ArduPilot setup fixes

Fix Reboot and Waiting for Cancel

Better speech for PreArm

This is in addition to the existing text edit control.

Random changes

Fixed issue where the "Set Circle Radius" menu entry was trying to affect the visibility of an item within a component.

Carryover ArduPilot changes from stable