wip, arducopter hil model and protocol
Added file manager and associated widgets / handling
Add missing bits to unit test
Operational toy examples
Merge branch 'master' into mavlink-ftp
Tinker with the NOP message so that the receiver is happy with it.
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Thomas changes
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Merge branch 'master' into mavlink-ftp

Conflicts:
	qgroundcontrol.pro
Added support to clear status areas with <emit resetStatusMessages();>