Fixes for breaking changes

- new webpack dev server options
- babel support for async functions in hooks
- new uuid import style
- automatically open browser for testing

test/functional/layers/index.js

@@ -1,7 +1,7 @@
 var assert = require("assert");
 var config = require("../../config/specs");
 var helper = require("../helper");
-var uuid   = require('uuid/v1');
+var {v1: uuid} = require('uuid');
 var wd     = require("../../wd-helper");