Added more functionality to AERecord
AERecord now supports multiple Core Data stacks
setupCoreDataStack is renamed to loadCoreDataStack
New stuff in AERecord: storeURLForName, destroyCoreDataStack, truncateAllData
New stuff in NSManagedObject extension: autoIncrementedIntegerAttribute
Improved example project and fixed bugs with UISplitViewController displayModeButtonItem
Update README.md