Horde package update:

devel/pear-Horde_Alarm 2.2.2 -> 2.2.3
devel/pear-Horde_Core 2.16.0 -> 2.16.1
databases/pear-Horde_Db 2.1.5 -> 2.2.0
mail/pear-Horde_Imap_Client 2.25.2 -> 2.25.3
devel/pear-Horde_Translation 2.1.0 -> 2.2.0