minor fix.
    fix typo and add percona db generator.
    add supervision to the cluster datas.
    Set o+r /tmp/percona-version-check needed pat pt-table-checksum running by zabbix.
    add percona-nagios bin to monitor the cluster.
    add server_id variables for cluster.
    fix a typo in grant.sql.erb and remove anonymous user by default.
    add nagios plugins package to monitor the server.
    add xinetd script to check stats of the cluster percona.
    change some mysql option in order to syslog error/warning log.
    typo fix.
    Add support for percona from mysql 4.0.7 recipe based from opscode.
    add the dbbakup user grant options.
    add mysql 4.0.7 recipe based from opscode. Few kbrw changes.