Handle tables update after closing ListsEditor
Correct project opening
..
Merge branch 'master' of https://github.com/Lozov-Petr/Schedule into Lozov-Petr-master

Conflicts:
	SEE/Editor/Models/ClassesSchedule.cs
	SEE/Editor/Models/Elements.cs
	SEE/Editor/Views/Windows/EditorWindow.xaml
..
Merge branch 'Lozov-Petr-master' into gui
Complete merging
Resharpered refactoring
Open/Save schedule projects (integration with serialization)
Merge with GUI.