QtBase_dev_Integration #2754: SUCCESS Tested changes (refs/builds/dev_1391176627): http://codereview.qt-project.org/76721 [PS6] - Move Direct2D paint engine on top of QPaintEngineEx http://codereview.qt-project.org/75325 [PS9] - Cocoa: Merge QNSWindow and QNSPanel, inherit NSPanel