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.

Add invalid vertex index warning

Signed-off-by: Patrick José Pereira <patrickelectric@gmail.com>

Signed-off-by: Patrick José Pereira <patrickelectric@gmail.com>

Signed-off-by: Patrick José Pereira <patrickelectric@gmail.com>

Signed-off-by: Patrick José Pereira <patrickelectric@gmail.com>

Signed-off-by: Patrick José Pereira <patrickelectric@gmail.com>

Signed-off-by: Patrick José Pereira <patrickelectric@gmail.com>

Signed-off-by: Patrick José Pereira <patrickelectric@gmail.com>

Signed-off-by: Patrick José Pereira <patrickelectric@gmail.com>