Fix crash

Fix missing missionItem property set

Use new Transect common controls

New Transect common controls

Fix QGCTabBar icon support

Common control for terrain follow

Common control for Pattern tab bar

Fix  incorrect supportsTerrain reference

Initial support for global plan-wide altitude mode setting

FirmwarePlugin::adjustOutgoingMavlinkMessageThreadSafe not required to be thread safe

Remove mutex from Vehicle::sendMessageOnLinkThreadSafe.

LinkInterface and Vehicle uses mutexes to synchronize writing bytes to the link instead of queued signals

Remove unused FlightGear stuff
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Windows build updates
Linux fixes
Fix unit test run directory

Fix min/max tests

Fix offline vehicle firmware/vehicle type settings

Remove unused FlightGear stuff

Remove altitude mode warning which was causing recursion into dialog display and view switch problems

Don't try to load Qt en_Us loc

Fix locale setting

Cut over to new JSON translation system

Fix location of Qt.inputMethod.hide()

Remove missing support for QGCView fact missing overlays

Rework handling of fw/vehicle type with respect to conflicts with actual vehicle types.