These changes prevent random encapsulated data packets as being thought
to be images.

Also changes for Ack timeouts and unit testing

Conflicts:
	qgroundcontrol.pro

Readme: dependencies for Arch Linux

Set max zoom to wrong value for BING to avoid excessive memory consumption - this is a workaround, not a fix

Remove flightgear rate limitations

use correct severity level for waypoint reached event

Be more forgiving about component IDs, but warn developers. Do *not* translate developer debug messages (they would show up in the translation tool). Anyone without sufficient command of the english language will have a hard time contributing or debugging this application and we should not entangle the poor translators in this.

Build fixes