iOS Build Work (and other stuff)

Changing the directory prior to invoking macdeployqt so it can find the app bundle.

* mavlink/buildWork:
  fix android packaging

* origin/master:
  Fix compiler warnings
  MockLink Start/Stop to Preferences
  Use vehicle count instead of link count
  Fix compiler warning
  Centralize unit test declaration location
  Add --unittest-stress support

Conflicts:
	QGCApplication.pro

Add MockLink Start/Stop to Preferences

Preparation for auto-connect having no connect/disconnect buttons.

Use vehicle count instead of link count

Mavlink log test

* origin/master:
  Fix meta data warnings
  Reduce iOS default font size. Tweak toolbar height for mobile.
  Token change to force a rebuild.
  Adding TTS to iOS
  Better UAVCAN instructions, better param meta

Conflicts:
	QGCApplication.pro
	QGCCommon.pri

Adding TTS to iOS

Fix meta data warnings

Tweak toolbar height for mobile.

Fixed critical icon size.

It was using wrong size variable (and consequently too big)

appveyor cleanup s3 deploy and fix windows installer output

-qmake rename installer output

Yet more cleaning

PX4FLOW Sensor Support. @LorenzMeier Can you please try this and see if the image comes across fine?