Merge branch '4.6' of scm.dev.nokia.troll.no:qt/qt into qt-4.7-from-4.6

Merge branch '4.6' of scm.dev.nokia.troll.no:qt/qt into qt-4.7-from-4.6

src/3rdparty/* is left untouched and not merged from 4.6. The corresponding
changes in Harfbuzz and WebKit are already in the 4.6 staging areas.

Conflicts:
	src/3rdparty/webkit/VERSION
	src/3rdparty/webkit/WebCore/ChangeLog
	src/3rdparty/webkit/WebKit/qt/ChangeLog
	src/3rdparty/webkit/WebKit/qt/tests/qgraphicswebview/tst_qgraphicswebview.cpp
	src/3rdparty/webkit/WebKit/qt/tests/qwebview/tst_qwebview.cpp
	src/3rdparty/webkit/WebKit/qt/tests/qwebview/tst_qwebview.qrc
	tests/auto/qtextlayout/tst_qtextlayout.cpp
	tests/auto/qwidgetaction/tst_qwidgetaction.cpp