Make sure we remove all directories we created, nothing more.
Make sure we remove all directories we created, nothing more.

Special case on windows, if we created a folder inside the start
menu, try as long as we fail to remove all empty directories.

Change-Id: Idf67a43cbbcfc44746438c523a63def0e07e7de9
Reviewed-by: Niels Weber <df24410c43e1f71d7f720aa26e4fcb77ce70f242@digia.com>
Reviewed-by: Tim Jenssen <6a21f175c697b4129e1bafb6e9b52078bb1a6738@digia.com>

olear/qtifw,olear/qtifw,olear/qtifw,olear/qtifw