Log Message:
Updated to the latest version.

2003-06-19  jabberd 2.0.0-a5

    * Build system overhaul [rob]
    * Query-based storage layer [rob]
    * PostgreSQL storage and authentication [rob]
    * MySQL storage and authentication [rob]
    * PAM authentication [rob]
    * Incremental roster database updates [rob]
    * c2s idle connection checks [rob]
    * c2s keepalives [rob]
    * c2s external password synchronisation [rob]
    * Disco identity configuration [rob]
    * Disco item publish [rob]
    * XMPP-style errors [rob]
    * XMPP-style session start [rob]

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Support for mysql/postgresql and PAM was added, you can define any of those
options with these variables:

o JABBERD2_USES_PGSQL
o JABBERD2_USES_MYSQL
o JABBERD2_USES_PAM