Upgrade to babel 7 for v1 (#995)

* Upgrade babel 7
Use custom transform for jest to handle docs test since there is
path change in there

* change all version of babel dependency

* - add silent to yarn build
- add babel/types to expose  method used in translate-plugin

v1/jest.transform.js

@@ -0,0 +1,3 @@
+const babelConfig = require('./babel.config');
+
+module.exports = require('babel-jest').createTransformer(babelConfig);