added 500ms delay to disconnect message

public/src/app.js

@@ -50,6 +50,7 @@ var socket,
 			});
 
 			socket.on('disconnect', function(data){
+				setTimeout(function() {
 					app.alert({
 						alert_id: 'connection_alert',
 						title: 'Disconnect',
@@ -57,6 +58,7 @@ var socket,
 						type: 'error',
 						timeout: 5000
 					});
+				}, 500);
 			});
 
 			socket.on('reconnecting', function(data) {