Remove localstorage and add notifications (#7588)

* move remaining files frm /common/script/public to website/public

* remove localstorage

* add back noscript template and put all javascript in the footer

* fixes client side tests

* remove double quotes where possible

* simplify jade code and add tests for buildManifest

* loading page with logo and spinner

* better loading screen in landscape mode

* icon on top of text logo

* wip: user.notifications

* notifications: simpler and working code

* finish implementing notifications

* correct loading screen css and re-inline images

* add tests for user notifications

* split User model in multiple files

* remove old comment about missing .catch()

* correctly setup hooks and methods for User model. Cleanup localstorage

* include UserNotificationsService in static page js and split loading-screen css in its own file

* add cron notification and misc fixes

* remove console.log

* fix tests

* fix multiple notifications

test/api/v3/integration/challenges/POST-challenges_challengeId_winner_winnerId.test.js

@@ -100,6 +100,8 @@ describe('POST /challenges/:challengeId/winner/:winnerId', () => {
       await sleep(0.5);
 
       await expect(winningUser.sync()).to.eventually.have.deep.property('achievements.challenges').to.include(challenge.name);
+      expect(winningUser.notifications.length).to.equal(1);
+      expect(winningUser.notifications[0].type).to.equal('WON_CHALLENGE');
     });
 
     it('gives winner gems as reward', async () => {