QtIFW

Remove automatic unlock, we do not automatically lock either.

Change and shuffle some parts of the code. Move constructor code
into private file. Remove Destructor. Do not automatically unlock
on destruction, we do not lock automatically on construction either.

Change-Id: I48624a64266954bdc0434a523519a008afc6aac7
Reviewed-by: Kai Koehne <kai.koehne@theqtcompany.com>