CC-3688 : Make sure timeline knows to refresh itself when a rebroadcast file has been scheduled

forgot I commented out the check when fixing something in the past....

airtime_mvc/public/js/airtime/showbuilder/main_builder.js

@@ -206,7 +206,6 @@ AIRTIME = (function(AIRTIME) {
 			}
 		});
 		
-		/*
 		//check if the timeline viewed needs updating.
 		setInterval(function(){
 			var data = {},
@@ -238,7 +237,7 @@ AIRTIME = (function(AIRTIME) {
 			} );
 			
 		}, 5 * 1000); //need refresh in milliseconds
-		*/
+
 	};
 	
 	mod.onResize = function() {