OP-1435 Add_more_info_PFD Follow up to previous review. Added Panels.qml, System tab panel, new behavior for panels with close icon.
OP-1435 Add_more_info_PFD Changes in panel functions + removed spaces
OP-1474 Added fields for thrust pid scaling.
OP-1474 Added thrust PID scale curve to stabilization configuration GUI.
OP-1474 Updated GUI to follow the standard way of handling checked groups.
Added missing push buttons to widget list to make then enable/disable correctly.
OP-1474 Uncrustify.
Merge remote-tracking branch 'origin/next' into thread/OP-1474-PID_Scaling
OP-1435 Add_more_info_PFD : Add FrameType, Cpuload/temp, MemFree to SystemTab
OP-1474 Thrust PID scaling
OP-1435 Add_more_info_PFD : Total distance counter always visible. Check telemetry activity for link status (Smeter real or log replay)
OP-1435 Add_more_info_PFD : Increase timer value, remove jitter. Tx/rx rates should be updated every 500ms.
OP-1435 Add_more_info_PFD : Smeter jitter free when OPLink is really connected
OP-1474 Extract line and curve functions out to mathmisc.h, nan check and unit tests
OP-1474 Revert TPS debugging code
OP-1474 Add missing stdint.h include to mathmisc.h
Merge branch 'skarlsso/OP-1474-PID_Scaling' into thread/OP-1474-PID_Scaling

Conflicts:
	shared/uavobjectdefinition/stabilizationsettings.xml
OP-1474 Include I in the scaling and let the TPS factor piggyback on the speedScaleFactor
Merge branch 'next' into thread/OP-1474-PID_Scaling
Merge branch 'thread/OP-1474-PID_Scaling' into skarlsso/OP-1474-PID_Scaling_one_factor
Don't use I-term in the VtolPathFollower's position control loop for now.
See OP-1483 for why it's considered not to work as expected.