Also distinguish Emergency Stop better

This was too confusion to expose since QGC currently does not support ArduPilot terrain tile send.

More PreFlight control reorganization

Android: Allow devices without gps

Vagrant: use Qt5.11.0 deps

Travis: Fix parse problems

Remove QtMultimedia import when not needed

Add missing libraries to Linux build

Move Linux/Android to Qt 5.11.0

Add test for an existing window before attempting to close it.

Add more logging

Support for simple MissionStart item

Support for Sync - Load KML

Put back support for ATTITUDE since ArduPilot needs it

Fix ArduCopter Start Mission support

ArduCopter 3.6 tuning page fixes

Remove unused (and non-existing) library

Use a menu to delete a vertex

cameraMinTriggerInterval now comes from CameraCalc

from jenkins docs: When applied at the top-level of the pipeline block no global agent will be allocated for the entire Pipeline run and each stage section will need to contain its own agent section.