Remove openni references from iwb


git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@22877 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Allow x(Turtle)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@22880 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e