* data saved into local storage again, when the direction with a language changing (#2922)
* bugfix: reloading construction after reloading page #2922
* some @Override added

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@23306 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e