Removed the dashboard and all corresponding calls temporarily from the main menu, because there are at the moment not enough working widgets to provide an nice dashboard.
Revert "Removed the dashboard and all corresponding calls temporarily from the main menu, because there are at the moment not enough working widgets to provide an nice dashboard."

This reverts commit 820411b5af7fcc9e1f64afb5c44a873baf21bbc7.
Wrong named file. Was not working on the server.
Extended firewall for some 'dozen' rights.
Enhancement / bug fix for selecting the tutors and advisors courses. Now only the "active" courses will be selected (courses where an timetable courses exists).
Removed script extending from the timetable xml parser. Server config is fine and the timeout does not to be extended.
All xml files have been parsed without any timeout so far.
Redeisgn of the timetable week view for the desktop version. Now working properly without any errors. Desktop week view is w3c valid.
Small fixes for desktop timetable week view.
Finished special timetable week view for the mobile version.