#4718 enable ggt loading (no toolbar update yet) and some css to tool list

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37805 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
5.0.45.0

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@37806 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e