partial fix #3262: xml for Perspectives in web added

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@25174 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
improved handling of tooltips in web EV

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@25175 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e