MissionManager: Fix read transaction flag

Switch Bluetooth connection from a generic Rfcomm protocol...

Default decimal places for PID params

Fix z-order

Correct use of specifiesCoordinate

Hide view before settings source

This prevent the visibility change from trashing source setting

Handle delayed RTSP video connection.

Param mgr fix

ArduPilot: Level Horizon support

Turn off COMPASS_LEARN after cal

Use new QGCListView

Single instance app guarding mechanism

Mission Status: Adjust spacing to take less space

Shows horizontal/vertical scroll indicators

Toolbar multi vehicle fixes

* Vehicle selection must be global control
* Disconnect controls must be associated with Vehicle

Custom plugin work

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

Bad reference fixes