Using gwt-2.6


git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@32404 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Typo fix


git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@32406 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e