[SMLRVerifyNumberViewController] now uses different titles in error messages
[SMLRVerifyNumberViewController] now has a special error message if offline
[SMLRCreateAccount] added public error domain
[SMLRVerifyNumberViewController] now has a special error message for simlar server errors
[SMLRCreateAccountViewController] now uses different titles in error messages
[SMLRCreateAccountViewController] now has a special error message for simlar server errors