QtBase_5.4_Integration #254: SUCCESS
Tested changes (refs/builds/5.4_1410427314):
http://codereview.qt-project.org/94238 [PS1] - Doc: Sync qtcreator.qdoc.
http://codereview.qt-project.org/94379 [PS1] - Revert "Reading QJsonObject property should not modify the object itself."