ENH: adding 3x3 layout

see issue 2384


git-svn-id: http://svn.slicer.org/Slicer4/trunk@22531 3bd1e089-480b-0410-8dfb-8563597acbee
COMP: reverting previous change as it caused compile error on Win

git-svn-id: http://svn.slicer.org/Slicer4/trunk@22532 3bd1e089-480b-0410-8dfb-8563597acbee