Add disable option

Add feature to disable cleaning, just in-case anyone ever has a issues with people abusing
Disable cleaner by default

cleaner.php

@@ -1,13 +1,13 @@
 <?php
-$maxAge=86400;// max age in seconds, scans older that this will be deleted
+$maxAge=-1;// Max age in seconds, scans older that this will be deleted; use a negative value to disable
 if(isset($_GET['file'])){
 	if(is_numeric(strrpos($_GET['file'], "/")))
 		$_GET['file']=substr($_GET['file'],strrpos($_GET['file'],"/")+1);
 	$file=$_GET['file'];
 	$file0=substr($file,0,strrpos($file,"."));
 	echo '{"state":'.((@unlink("scans/thumb/Preview_$file0.jpg")&&@unlink("scans/file/Scan_$file"))?0:1).',"file":"'.$file.'"}';
 }
-else{
+else if($maxAge>-1){
 	echo "<pre>\n";
 	$loc=$_SERVER['DOCUMENT_ROOT'].str_replace('cleaner.php','scans/file',$_SERVER['SCRIPT_NAME']);
 	$lst=scandir($loc);