VTOL Takeof/Landing Pattern work

Support null for FactMetaData default

Shorten meta data keys for smaller file sizes

Deal with double imprecision errors in elevation tile calculations

Replace qFuzzyCompare with better functioning QGC::fuzzyCompare

supportedMissionCommands is vehicle class sensitive

Remove buggy usage of vehicleYawsToNextWaypointInMission

More comprehensive testing of editor facts

Show correct item editor based on current VTOL state

Add QGC::fuzzyCompare which works in all cases

Move GuidedActionsController references to global

Fix recalc bugs associated with vtol state, speed, vehicle/gimbal yaw

Support stacked component dialogs

Fix deprecated usage

Prefer ALTITUDE message over GPS messages

Better handling of vehicle change state transitions

Add mutex for _sessionTargets access. Remove range_for usage. General cleanup

Cleanup duplicated magic numbers in joystick code

Fix Flow custom flash

Horizontal scrolling as needed

Fact label change

New standalone mission editor unit test

VIsual tweaks

Cleanup/fix command json hierarchy

Support for Vehicle and Firmware classes

Fix item initialization problems leading to crashes and incorrect profile display

Fix global alt mode support

Delete bogus Bing no data tiles from cache

Only do no tile checks on Bing providers

Add getMapProviderFromId support