Move Core\Repository into Core\Repository\DomainLogic
Update namespace for Core\Repository to Core\Repository\DomainLogic move
Move Core\SignalSlot to Core\Repository\SignalSlot
Update namespace for Core\SignalSlot to Core\Repository\SignalSlot move
Remove unused internal Repository->createDateTime() & call repository property innerRepository
Refactor ContentService for Permission layer
[Temp] copy of permission services and tests
[Temp] removal of search permission filtering flag