allow disabling of alerting per device, allow override of syscontact, minor cleanups

git-svn-id: http://www.observium.org/svn/observer/trunk@1995 61d68cd4-352d-0410-923a-c4978735b2b8

includes/rewrites.php

@@ -950,8 +950,6 @@ function array_preg_replace($array, $string)
   return $string;
 }
 
-
-
 function rewrite_adslLineType($adslLineType)
 {
   $adslLineTypes = array ('noChannel'          => 'No Channel',
@@ -967,6 +965,7 @@ function rewrite_adslLineType($adslLineType)
       $adslLineType = $text;
     }
   }
+
   return($adslLineType);
 }