UAS: always send offboard control for now
Joystick: added simple range calibration
UAS: send swarm messages instead of manual control
UAS: send position not velocity
Revert "UAS: send position not velocity"

This reverts commit 5e2881ce627f79a2992536551fa9bf5764e1ae30.
Removing QSerialPort library that's now in Qt5.
QAbstractSocket::SocketError is now properly exposed by Qt5.
Phonon has been deprecated for a while. Disabled until ported to QtMultimedia.
Added missing Qt modules to build script.
QDesktopServices no longer provides system paths, switched to QStandardPaths.
QMouseEvent methods were renamed.
OPMapControl lib had some missing includes.
Added missing includes to QGCSettingsWidget.
Fixed missing includes in LinechartWidget.
Fixed missing includes in QGCMapWidget.
Fixed missing includes in MenuActionHelper.
JoystickInput: only send 0-1 for throttle channel
Merge remote-tracking branch 'mavlink/master' into joystickinput
JoystickInput: only send 25Hz commands
Removed Utils library as it's no longer used.