Author: Dominique Leuenberger (dominique.leuenberger@gibb.ch)
 * Version 0.1 - 15. May 2002
 * Definition for gobal Addressbook in a Database
 * just set the Variable $addrbook_global_dsn to whatever
 * DSN you need. Same Syntax as in ../config/config.php
 * I set it to the same Database as the User-DB but in another Table...
 * Owner in Database has to be 'global' to identify, wether it's personal or
 * global address book entry
 * System defaults to Table address if not defined

v.0.2 - 30. July 2003
 (NMU by Tomas Kuliavas <tokul@users.sourceforge.net>)
 * uses SM_PATH when including global_database backend functions
   (compatible only with SM 1.3.3+)
 * included writable global addressbook patch and files patched for
   SM 1.4.0 and SM 1.4.1. global_rw_sql_addressbook.diff and 
   global_sql_addressbook.diff can be applied to vanilla SquirrelMail v.1.4.0
   or v.1.4.1 with command
    patch -p1 < global_rw_sql_addressbook.diff
     or
    patch -p1 < global_sql_addressbook.diff
   Command must be issued when user is in main squirrelmail directory and this
   directory also should contain global_rw_sql_addressbook.diff or
   global_sql_addressbook.diff file.
 * included mysql dump of global database

v.0.3 - 2004-01-18
 * Added patches for SquirrelMail 1.4.2
 * Updated abook_global_database.php to work with newer php pear DB modules.

v.0.4 - 2004-02-14
 * Added abook per domain patch for sm 1.4.2

v.0.5 - 2004-11-07
 * Ported SQL injection fixes
 * Added patches and files for 1.4.3
