First CK methods

saveRecord, deleteRecord, fetchRecordsWithType, subscribe, unsubscribe
First CK methods

saveRecord, deleteRecord, fetchRecordsWithType, subscribe, unsubscribe
Merge branch 'cloudKit' of https://github.com/honkmaster/borrow into cloudKit

Conflicts:
	borrow/Data/CloudController.swift
Ask user for iCloud usage
Merge branch 'master' of https://github.com/honkmaster/borrow into cloudKit
CK
Migrate to CoreData

CoreData suits our need better than CK, because CD (wit iCloud) provides a database for both, backend and app side
CoreData with iCloud up and running
Restored accidentally deleted files
Clean Up

Moved CoreData Stuff from AppDelegate to own Class
Add NewItemViewController

NewItemViewController will be used to test CoreData
Small Changes to CDController
Merge pull request #2 from honkmaster/cloudKit

Cloud kit