move event instanciation at the start

src/app.js

@@ -113,6 +113,7 @@ var css = csjs`
 class App {
   constructor (api = {}, events = {}, opts = {}) {
     var self = this
+    this.event = new EventManager()
     self._components = {}
     registry.put({api: self, name: 'app'})
 
@@ -465,8 +466,6 @@ Please make a backup of your contracts and start using http://remix.ethereum.org
     }
   }, false)
 
-  this.event = new EventManager()
-
   // Replace early callback with instant response
   loadFilesCallback = function (files) {
     self.loadFiles(files)