Tutorial: Fix warnings about default settings and retina Default-568h@2x.png.
Adding SPMetadataStorage helper class plus a brand new Unit Test
Updating SPChangeProcessor to hit properties
Improving SPMetadataStorage: removals and inserts are non locking anymore
Implementing SPMetadataStorage in SPChangeProcessor
SPMetadataStorage: Code Cleanup
Renaming SPMetadataStorage > SPDictionaryStorage
Enhancing SPChangeProcessor to split pendingChanges into segments: lowering overall memory footprint
Removing debug code
Migrating pendingChanges from NSUserDefaults to SPDictionaryStorage
SPDictionaryStorage Improvements. Nuked internal class
Fixes iOS 6 compatibility
Fixes enumeratePendingChanges logic
Removes debug code
SPWebSocketChannel: Improving memory management
Improving SPCoreDataStorage :: objectForKey performance
Improving SPDictionaryStorage :: objectForKey performance
Merge pull request #146 from happy-inspector/develop

Do not unfault and fault objects that do not need it after merging Simperium worker context into main context
Fixes issue #144: Bulk delete issue after offline changes
Fixes issue #144: Bulk delete issue after offline changes