The commit looks big, but it's mostly trivial. Also any build/run
related popups are now "flashes" if the current mode has no placeholder.

Task-number: QTCREATORBUG-7875
Change-Id: I3af40557f7af01798f905c0d1829423c80058cb6
Reviewed-by: Eike Ziller <eike.ziller@nokia.com>