Updated Changelog

Change-Id: Ib4acd1742a21e4cd92b7cf9a56267ac71c5d4365
Reviewed-by: Karsten Heimrich <karsten.heimrich@digia.com>
Merge remote-tracking branch 'origin/1.5' into 1.6

Change-Id: I818c7e398e99c1c28d6b44bfe41223c356afbb80