Fixed UserPagingTest
Move EnumExtensions from Rules to Core.
Merge branch 'master' of https://github.com/fomaa/Calendar

Conflicts:
	Bs.Calendar.DataAccess/UserRepository.cs
Unit tests fixed:

UserPagingTest
UserFilterTest
UserControllerTest
Fixed unit tests:

TeamFilterTest
All unit tests have been fixed.
Included new FakeDi class to use in tests instead of MvcDi. I think it would be better to introduce Factory for Di settings now.
Little fix at UserService.
Merge branch 'master' of https://github.com/fomaa/Calendar

Conflicts:
	Bs.Calendar.DataAccess/TeamRepository.cs
	Bs.Calendar.Mvc/Services/TeamService.cs
	Bs.Calendar.Mvc/ViewModels/Teams/TeamFilterVm.cs