Merge remote branch 'origin/2.0'

Conflicts:
	doc/qtcreator.qdoc
	src/plugins/projectexplorer/taskwindow.h
	src/plugins/qmldesigner/designercore/model/modelmerger.cpp
	src/plugins/qmljseditor/qmljshoverhandler.h
	src/plugins/qt4projectmanager/Qt4ProjectManager.pluginspec
	src/plugins/qt4projectmanager/qt-maemo/maemopackagecreationwidget.cpp
	src/plugins/subversion/subversionplugin.cpp