MAVLink Decoder: Update to new valueChanged (QVariant) signal
QuickView Widget: Update Quick View to use new MAVLinkDecoder interface
Graph View: Update to use new valueChanged (QVariant) signal
PFD QML: Fixed off centre cross hairs
PFD QML: Removed horizontal Horizon, due to inaccuracy
OSD Setup: Fix to set channel rates SR1 and SR3