kernel: Define emit in boot.js.

lang/base/boot.js

@@ -79,9 +79,11 @@ define([
 
     var api = {};
     var globals = Object.create(global);
+    var emit = Object.create(null);
     var brikz = Brikz(api);
 
     Object.defineProperty(brikz, "commonGlobals", {value: globals});
+    Object.defineProperty(brikz, "commonEmit", {value: emit});
 
     configureWithFundamentals(brikz);
 

lang/base/kernel-fundamentals.js

@@ -259,7 +259,6 @@ define(function () {
 
     function configureWithFundamentals (brikz) {
         Object.defineProperty(brikz, "commonSpecialConstructors", {value: Object.create(null)});
-        Object.defineProperty(brikz, "commonEmit", {value: Object.create(null)});
         brikz.root = RootBrik;
         brikz.nil = NilBrik;
         brikz.event = EventBrik;