Merged with 0.9 dev branches

...tor/mav_autopilot_pixhawk/parameters/parameters-bravo.txt

...uadrotor/mav_autopilot_pixhawk/widgets/pixhawk-widget.qgw

qgroundcontrol.pri

src/GAudioOutput.cc

src/GAudioOutput.h

src/QGC.cc

src/QGCCore.cc

src/apps/mavlinkgen/ui/XMLCommProtocolWidget.h

src/uas/PxQuadMAV.cc

src/uas/UAS.cc

src/uas/UAS.h

src/uas/UASInterface.h

src/ui/CommConfigurationWindow.cc

src/ui/HSIDisplay.cc

src/ui/HUD.cc

src/ui/HUD.h

src/ui/MainWindow.cc

src/ui/MainWindow.h

src/ui/MainWindow.ui

src/ui/QGCDataPlot2D.h