#4635 Used tools as a tree

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@36971 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Fix for #4540

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@36972 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e