Merge remote-tracking branch 'origin/2.4'

Conflicts:
	qtcreator.pri
	src/libs/qmljs/qmljscheck.cpp
	src/plugins/debugger/gdb/gdbengine.cpp
	src/plugins/debugger/gdb/remotegdbserveradapter.cpp
	src/plugins/plugins.pro
	src/plugins/projectexplorer/buildmanager.cpp
	src/plugins/qmldesigner/designercore/metainfo/nodemetainfo.cpp

Change-Id: Id2dcebf95b94dc46c1d85908ba1d1378aaf362ac