pear mdb2 driver for firebird 1.5.0a2 released

Changelog: added missing parentheses in query in listTableTriggers() in the Manager module

Dependencies:
PHP Version: PHP 5.0.4 or newer
PEAR Package: PEAR Installer 1.4.0b1 or newer
PEAR Package: MDB2 2.5.0a2 or newer
PHP Extension: interbase