Various fixes found by md
Better counting of current upload status
Cleaner handling of passphrases

No need to inform the user that passphrases are "saved in the session",
since that is abstract implementation details
[mms] Fallback to lesser priority transliterator driver when an error is encountered.
Use data provider for tests
Released Horde_Util-2.4.1
Development mode for Horde_Util-2.4.2