Get rid of QGCView, QGCViewPanel and FactPanel. All messages and dialogs are now handled in the root window.

Support custom build override of available complex items

Custom build override for stable version check no longer needed

Stable desktop version check

Support GuidedActionsController logging

Expose root plan keys

Also rename QmlPageInfo to QmlComponentInfo to cover more use cases

Also plugin'ize intrument panel PageView pages

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

Also added Vehicle.flightTime to default setup

* Holds all the settings for the app
* Allows core plugin to override default values

Made QGCCorePlugin derive from QGCToolBox and expose everything through the same mechanism as everything else.