Automatically add Qt5Qml when passing the command line option -quick,
thus triggering qmlimportscanner. Similar, add Qt5CLucene and Qt5Designer
when Qt5Help or Qt5DesignerComponents are enabled on the command line.

Change-Id: Ie9a51a51581fc4cf855b53bcfd5d526f30ee93a2
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>