Make localization final in AppD to prevent NPE

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@23648 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Gwt compiled files deleted

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@23649 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
null pointer (in 3D applets)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@23650 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e