Current Time for BO Header v1.0

Adds the current time into the Back Office header.

#
#-----[ OPEN ]-----
#
admin/header.inc.php

#
#-----[ FIND ]-----
#
    [ <a href="index.php?logout" id="header_logout"><span>'.translate('logout').'</span></a> ]

#
#-----[AFTER, ADD ]-----
#
                    &nbsp; '.date('Y-m-d G:i:s').'