QtIFW

now the doc shows version nummer 1.2.0 and a small link name fix

Change-Id: Iad3c928e9e72376e6b8bc8cec612e6c52924bee3
Reviewed-on: http://codereview.qt-project.org/4421
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Niels Weber <niels.2.weber@nokia.com>