Node 8 (WIP) (#9946)

* start upgrade to node 8

* upgrade travis

* improve travis

* Remove bluebird, babel (except for modules) from server (WIP) (#9947)

* remove bluebird, babel from server (except for modules)

* fixes

* fix path

* fix path

* fix export

* fix export

* fix test

* fix tests

* remove plugin for transform-object-rest-spread since it is supported in node8

* babel: correct syntax rest spread

* remove bluebird

* update migrations archive readme

* fix package-lock.json

* fix typo

* add package-loc

test/api/v3/integration/user/DELETE-user.test.js

@@ -11,7 +11,6 @@ import {
   each,
   map,
 } from 'lodash';
-import Bluebird from 'bluebird';
 import {
   sha1MakeSalt,
   sha1Encrypt as sha1EncryptPassword,
@@ -104,7 +103,7 @@ describe('DELETE /user', () => {
         password,
       });
 
-      await Bluebird.all(map(ids, id => {
+      await Promise.all(map(ids, id => {
         return expect(checkExistence('tasks', id)).to.eventually.eql(false);
       }));
     });