more fixs for login problem

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@31843 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Ticket #4080: some more tests; unsure about what is important to support

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@31844 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e