add more properties and tests

enzevalos_iphone.xcodeproj/project.pbxproj

enzevalos_iphone/mail/IncomingMail.swift

enzevalos_iphone/persistentData/AddressRecord.swift

...ata/DataModel.xcdatamodeld/DataModel.xcdatamodel/contents

enzevalos_iphone/persistentData/FolderRecord.swift

enzevalos_iphone/persistentData/MailRecord.swift

enzevalos_iphone/persistentData/PersistentDataProtocol.swift

enzevalos_iphone/persistentData/PersistentDataProvider.swift

enzevalos_iphone/persistentData/Properties.swift

enzevalos_iphoneTests/CoreAddressTest.swift

enzevalos_iphoneTests/CoreMailTest.swift

enzevalos_iphoneTests/GeneratedMocks.swift