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/quests/POST-groups_groupId_quests_accept.test.js

@@ -2,8 +2,8 @@ import {
   createAndPopulateGroup,
   translate as t,
   generateUser,
+  sleep,
 } from '../../../../helpers/api-v3-integration.helper';
-import Bluebird from 'bluebird';
 
 describe('POST /groups/:groupId/quests/accept', () => {
   const PET_QUEST = 'whale';
@@ -140,7 +140,7 @@ describe('POST /groups/:groupId/quests/accept', () => {
       // quest will start after everyone has accepted
       await partyMembers[1].post(`/groups/${questingGroup._id}/quests/accept`);
 
-      await Bluebird.delay(500);
+      await sleep(0.5);
 
       await rejectingMember.sync();