Removing file


git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@26919 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Make sure featured materials are not links

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@26920 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Do not (attempt to) load mathml_concat

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@26921 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
add repaint after open

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@26922 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e