js-propagate fix for clustered installs

app.js

@@ -149,9 +149,7 @@ function start() {
 				meta.reload();
 			break;
 			case 'js-propagate':
-				meta.js.target[message.target] = meta.js.target[message.target] || {};
+				meta.js.target = message.data;
-				meta.js.target[message.target].cache = message.cache;
-				meta.js.target[message.target].map = message.map;
 				emitter.emit('meta:js.compiled');
 				winston.verbose('[cluster] Client-side javascript and mapping propagated to worker %s', process.pid);
 			break;