reorganize packages, start converting overall app to react (very broken at the moment)

Packages/ohif-viewerbase/client/components/viewer/studyTimepointBrowser/studyTimepointStudy.js

@@ -1,8 +1,8 @@
 import { Meteor } from 'meteor/meteor';
 import { Template } from 'meteor/templating';
 import { ReactiveVar } from 'meteor/reactive-var';
-import { _ } from 'meteor/underscore';
-import { $ } from 'meteor/jquery';
+import _ from 'underscore';
+import $ from 'jquery';
 import { OHIF } from 'meteor/ohif:core';
 
 Template.studyTimepointStudy.onCreated(() => {