Merge remote-tracking branch 'origin/2.3'

Conflicts:
	qtcreator.pri
	share/qtcreator/dumper/dumper.py
	share/qtcreator/qml/qmlpuppet/instances/objectnodeinstance.h
	src/plugins/qmldesigner/designercore/metainfo/nodemetainfo.cpp
	src/plugins/valgrind/valgrind.pro
	tests/manual/gdbdebugger/simple/simple_gdbtest_app.cpp

Change-Id: Ic2d347012d89d697e6382f156e64f9619da88300