CC-3174 : showbuilder

fixing classes on show footer, selector for the select all.
only adding a checkbox on a row if a user is allowed to schedule there.

airtime_mvc/public/js/airtime/library/events/library_showbuilder.js

@@ -72,7 +72,6 @@ var AIRTIME = (function(AIRTIME){
 				{"format": "json", "mediaIds": aMediaIds, "schedIds": aSchedIds}, 
 				function(json){
 					oLibTT.fnSelectNone();
-					oSchedTT.fnSelectNone();
 					oSchedTable.fnDraw();
 				});
 		};