libqtprofilesetup: Fix some module names for Qt 4.

The internal name does not have the "qt" prefix.

Change-Id: Idccab0f7debefdc6657750528d9ec31dfbe16075
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>
Do not match files in build directories as source files.

This can currently happen if the user builds in the source dir and uses
recursive wildcards.

Change-Id: I5f3be03313640af046478ca55a381f14605176d4
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>
purge superfluous Q_UNUSEDs

Change-Id: I8c5a8550d033585749f49b042785d310f6f6a21e
Reviewed-by: Christian Kandeler <christian.kandeler@digia.com>
remove documentation for non-existent property

Change-Id: Ic5308c126298c0d8452fb79d9066aaf12a4beedd
Reviewed-by: Christian Kandeler <christian.kandeler@digia.com>