Allow require of plugin apis (#977)

* Allow require of plugin apis

* missing semicolon

lib/utils/plugins.js

@@ -10,10 +10,18 @@ import notify from './notify';
 const Module = require('module'); // eslint-disable-line import/newline-after-import
 const originalLoad = Module._load;
 Module._load = function (path) {
-  if (path === 'react') {
+  switch (path) {
+    case 'react':
       return React;
-  }
+    case 'hyper/component':
+      return Component;
+    case 'hyper/notify':
+      return notify;
+    case 'hyper/Notification':
+      return Notification;
+    default:
       return originalLoad.apply(this, arguments);
+  }
 };
 
 // remote interface to `../plugins`