Show the version number of the bundled Qt Creator

Task-number: QTBUG-32112
Change-Id: I5368322fb6b833074d6ef4b4a26513c130216c0c
Reviewed-by: Iikka Eklund <iikka.eklund@digia.com>
Reviewed-by: Kai Koehne <kai.koehne@digia.com>
Update Qt Creator version from 3.1.1 to 3.1.2

Change-Id: I85bb4a1b86074cdf2c9b60773ca6ed3a4ea6e1d1
Reviewed-by: Jani Heikkinen <jani.heikkinen@digia.com>
Reviewed-by: Kai Koehne <kai.koehne@digia.com>