The "Now" button now sets a "now" flag instead of adjusting the start time. Once the flight is created, the actual "now" time is set for flight start time.
The button is also exclusive. Once set, the start time slider is hidden as it becomes irrelevant.

If briefing evaluation returns no authorization, assume none is required. This is reflected in the UI as "Authorization Not Required".

# Conflicts:
#	libs/mavlink/include/mavlink/v2.0

iOS build and mobile sizing

Fix xcode project and restore LaunchImage
Cleanup unused icons

Added some basic color management for airspaces

Upstream stable merge

Plan: Change Command only supported for Simple Items

Prompt for Reboot after compass cal

Change Command only supported for Simple Items

Prompt for Reboot after compass cal

Polygon Circle: Respect app units

Respect app units

Terrain: Use NaN for bad elevation value

Use NaN to signal lower level error

More terrain query fixes/logging

Kick off terrain query after load

Don't query intermediate state

Better logging

Add new Help page under Settings

Terrain Tiles: Persist header info as doubles

Add new Help page under Settings

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