fix for #4506

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@36192 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
automatic upload of local-files if network-connection is back

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@36193 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Localization related changes

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@36194 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e