Add changes-5.1.1 file

Change-Id: Ie1c9020281ce5e0d591c0bc9393d4fe0babd6745
Reviewed-by: Sergio Ahumada <sergio.ahumada@digia.com>
Bump MODULE_VERSION to 5.1.2

Change-Id: I59c494d5a9e95296ce403d3feb0167e8d3fd0b94
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
Merge remote-tracking branch 'origin/release' into stable

Change-Id: I64a312169c1234a0a26a582bde2c08bb7e9c718e
fix shadow build with -qt-zlib and pre-generated headers

Task-number: QTBUG-32641
Change-Id: I4d0b4df50b652cf47e5f0b75b6d3c1f714414007
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>
Merge branch 'stable' into dev

Conflicts:
	.qmake.conf

Change-Id: Ib841f2c7f6c0819ff9b41a11249331ca585d6d60