Cleaning up old vehicle manager and getting it ready to actually provide services for a vehicle (flight management)
Added submit flight plan
Added update flight plan
Disable flight features as these don't seem to be quite working (values must be initialized and validated before submission as backend doesn't validate and the objects don't initialize their members)

Permit refactoring
QGCButton tweaks

Make all argument to AirMap queries based on what the screen shows (bounding rectangle and/or radius), respecting the limits imposed by AirMap.

AirspaceManager is now exposed by QGroundControlQmlGlobal instead of Vehicle (available all the time)

Fix sorting issues with QmlObjectListModel
Show airspaces in Plan View as well

Move all airmap related stuff to its own directory

Eliminated flight widget "states"
Define flight widget top margin (plugin options)

Adjust colors
Remove unused image

Don't close mobile dialog on file delete

- popup don't work with map
- improve popup visible logic
Signed-off-by: Patrick José Pereira <patrickelectric@gmail.com>

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

Replacement code to speed up work on the map and fighting mistake 'manual control lost' when connected joystick with armed UAV

Moved "Grid Lines" out of General Options and into the Video Stream Widget
Made a QGC custom Switch element

Converted Structure Scan to use CameraCalc such that it now works with
camera specs.

mobile needs more testing before we can enable this.
A test on an android phone was successful however.

helpful for example when editing parameters