Add changes-5.1.0 file
Add changes-5.1.0 file

Change-Id: I3ade90a360ccece54ac07b1c0c7f71d5bdffc3a4
Reviewed-by: Oswald Buddenhagen <6a8868beda3e139b5ac22b2534a23d3e6ba81819@digia.com>
Reviewed-by: Iikka Eklund <197e706da01658f92144bc72460e44fabcea2872@digia.com>

mer-qt/qttools,mer-qt/qttools,mer-qt/qttools,mer-qt/qttools,mer-qt/qttools,mer-qt/qttools