osTicket: add logs

Trabla: osTicket: add logs

osTicket is  free support ticket system written in php
Official Site: http://osticket.com/

Solving:

1. Log functions:

function logDebug($title, $message, $force=false)
function logInfo($title, $message, $alert=false)
function logError($title, $error, $alert=true)
function logDBError($title, $error, $alert=true)
function log($priority, $title, $message, $alert=false, $force=false)

Definition:  .../include/class.osticket.php

2. Usage Example:

....
function myFunction( $params ){

global $ost;

.....

$ost->logError( 'This is title' , 'This is message'  );

....

}

Attention!!!
1. logDebug , logInfo, logError, logDBError are wrappers for log method
2. If system log level is less then method log level - log is not added!!!
e.g.
system log level - error
you call logInfo - message not added, see implementation code of method log