Merge branch 'dev' into stable

This starts Qt 5.1 release cycle

Change-Id: I6178a580b4c99aded1a69032a02169cff502b71d

diff --cc src/quick/items/qquickitemview.cpp
Simple merge

diff --cc tests/auto/quick/qquicklistview/tst_qquicklistview.cpp
Simple merge

diff --cc tests/auto/quick/qquickmousearea/tst_qquickmousearea.cpp
Simple merge