[Pgpool-committers] pgpool - pgpoolAdmin: * Allow empty string in backend_data_directoryN

[User Y-asaba]

Log Message:
-----------
* Allow empty string in backend_data_directoryN and recovery_user
  field.

* Fix regular expression to check failover_command and
  failback_command value.

Modified Files:
--------------
    pgpoolAdmin:
        definePgpoolConfParam.php (r1.12 -> r1.13)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgpool/pgpoolAdmin/definePgpoolConfParam.php.diff?r1=1.12&r2=1.13)