Fix file references, re-add CoreData.framework
Fix file references, re-add CoreData.framework

Mantle/MTLManagedObjectAdapter,redengineer/MTLManagedObjectAdapter,samkhawse/MTLManagedObjectAdapter,Mantle/MTLManagedObjectAdapter,Mantle/MTLManagedObjectAdapter,samkhawse/MTLManagedObjectAdapter,ServiceNow/MTLManagedObjectAdapter,redengineer/MTLManagedObjectAdapter,samkhawse/MTLManagedObjectAdapter,redengineer/MTLManagedObjectAdapter,ServiceNow/MTLManagedObjectAdapter,ServiceNow/MTLManagedObjectAdapter