Almost end integration
Model objects have dependency properties
Remove interface implementation
BugFix: Multiple tabs in TableController
Binding data pieces through whole app
All lists in ListBoxes and Comboboxes are sorted
Add specialization headers to Table
Add specializations and years of study editor
Replace TextBoxes with ComboBoxes
Reacting on group's attribute changes (app is waiting)
Mouse selection
Add context menu on selection
Visual classes joining
Merge with GUI.