Delete local file when deleting from Tube

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@38185 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Make sure title is synced before we save

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@38186 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e