forked from github/szkolny

* [UI/Timetable] Add timetable config dialog and implement UI options. * [UI/Timetable] Fix reloading timetable after changing config. * [UI/Timetable] Fix calculating lesson range boundaries.
* [UI/Timetable] Add timetable config dialog and implement UI options. * [UI/Timetable] Fix reloading timetable after changing config. * [UI/Timetable] Fix calculating lesson range boundaries.