[JDEV] Patch for Jabber Server v1.4

[Aurélien Gâteau]

>You could have used a modified version of xdb_sql so that you users should be retreived from your SQL Server.
>Modified in the sense that it actually use specific SQL tables. You should modify the SQL requests to match your
>own tables.

Do you mean that the only change I need to apply is the name of the table ? I just looked at it and it seems that for now 
it only supports PostGres or MySQL. It's an interesting idea, anyway, I might try to add support for ODBC (Do you know 
good ODBC libraries for Linux ?)

Regards,
  Aurélien