QtIFW

Move these into private source files, Include cleanup.

Change-Id: I8118c45a015f403a3f9aa28eff2e2b3cb795d1d4
Reviewed-on: http://codereview.qt-project.org/5862
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Tim Jenssen <tim.jenssen@nokia.com>
Reviewed-by: Karsten Heimrich <karsten.heimrich@nokia.com>