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/lib/build-files.js

@@ -7,16 +7,16 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-require('babel-polyfill');
-require('babel-register')({
+require('@babel/polyfill');
+require('@babel/register')({
   babelrc: false,
   only: [__dirname, `${process.cwd()}/core`],
   plugins: [
     require('./server/translate-plugin.js'),
-    'transform-class-properties',
-    'transform-object-rest-spread',
+    '@babel/plugin-proposal-class-properties',
+    '@babel/plugin-proposal-object-rest-spread',
   ],
-  presets: ['react', 'env'],
+  presets: ['@babel/react', '@babel/env'],
 });
 
 // initial check that required files are present