Merge branch 'dev' of github.com:pixhawk/qgroundcontrol into dev

images/earth.html

images/mapproviders/googleearth.svg

lib/QMapControl/src/mapnetwork.cpp

mavground.qrc

models/ascent-park-glider.skp

models/multiplex-easyglider.skp

models/multiplex-twinstar.skp

models/walkera-4g6.skp

qgroundcontrol.pri

qgroundcontrol.pro

src/comm/MAVLinkSimulationLink.cc

src/input/Freenect.cc

src/input/Freenect.h

src/uas/UAS.cc

src/uas/UAS.h

src/uas/UASInterface.h

src/ui/MainWindow.cc

src/ui/MainWindow.ui

src/ui/WaypointList.cc

src/ui/map3D/GCManipulator.cc