ADSB server support provided through new ADSBVehicleManager implemenation

More work on contextual Plan tools

Reduce height of items in combo dropdown

Tweak combobox visuals

Integrate Create Plan overlay in File DropPanel

Add simulateClick support

SectionHeader no longer set width automatically

Dynamic sizing of message buttons

Fix display of param load errors

Palette based coloring

bug in ParameterEditor removed, double-ckicking on a group button shrank width of rectangle and thus of mouse area to 10

Update for Qt 5.11

New Create Plan support

Corridor edit toolbar

New addObject method

New reusable file dialog for KML/SHP loading

New features:
* Less padding to the right of drop indicator
* Ability to set font
* alternateText - Set alternate text for button display
* sizeToContents - Width will adjust to fit all contents

Fix toolbar button sizing

Fix textRole usage for QGCComboBox

Save/load main window state

Add degrees/radians conversion

Rework presets

Use TabBar in Complex Item UI

More work on mission item indicators

Fix dropdown indicator color

New QGCOptionsComboBox control

Allow split of current segment

Correctly handle command changes from no-coordinate item to coordinate item

Update/add support for external resetModel usage

Directions arrows in Fly View

Hide waypoint indicators unless they are really needed

FW Landing slope heights display

New QGCDynamicObjectManager support

Hide sequence numbers

New MapLineArrow control

New base class control for Survey/Corridor