Joystick: Fix throttle center point.

Show ESP8266 Firmware Version in Summary Panel

The lines removed set the center point of the throttle axis to one extreme of the joystick range. This causes an offset value when the stick is centered if the joystick does not return exactly zero. This is important for vehicles with reversible throttle, such as ground robots or boats.

APM 3.2 support

Stop connection lost handling during accel cal

Move GCS heartbeat to MultiVehicleManager

Move connection lost handling to Vehicle

Fix more incorrect severity problems

Stupid proof Linux serial port use

APM Sensor: UI handles older firmwares

Initial map position incorrect

Prevent message popup from scrolling map

Show detailed instructions on flash fail

Reset Flickable position when new group selected

Param Edit: Combo box showing incorrect value

Also remove concept of “interactive” since it is no longer needed

ESP8266 Component

Fact* espVersion = getFact(FactSystem::ParameterProvider, MAV_COMP_ID_UDP_BRIDGE, "SW_VER"); crashes unit test if the parameter does not exist (which is exactly what the call is trying to establish).

APM: Camera Config works on Copter 3.2

Missing Param: Change wording to include older firmware

* MavLink/master:
  New initial map position handling
  Default map position support
  Bad english, plus unit test check
  Add Reboot Required fact meta data

Add Reboot Required fact meta data