Merged ClassesController and ClassController.
Merge branch 'develop' of https://github.com/runeandersen92/SkemaSystem into develop
Fixed teacher CRUD.
Fixed class CRUD.
Project clean up.
Added navigation for demo purposes.
Updated controllers edit and create methods.
Updated navigation flow.
Fixed routing.
Added tabs to all admin pages.
Improved layout.
Added some missing routes.
Merge branch 'develop' into feature/US4

Conflicts:
	SkemaSystem/SkemaSystem.csproj
	SkemaSystem/Views/Teacher/Edit.cshtml
Updated UI.
Fixed CRUD methods (some are still missing, see Trello).
Project clean up.