fix(routing): Switch from iron:router to clinical:router so we respect ROOT_URL (#115)

LesionTracker/client/routes.js

@@ -1,5 +1,5 @@
 import { Meteor } from 'meteor/meteor';
-import { Router } from 'meteor/iron:router';
+import { Router } from 'meteor/clinical:router';
 import { OHIF } from 'meteor/ohif:core';
 
 Router.configure({
@@ -59,4 +59,4 @@ Router.route('/study/:studyInstanceUid/series/:seriesInstanceUids', function ()
     const studyInstanceUid = this.params.studyInstanceUid;
     const seriesInstanceUids = this.params.seriesInstanceUids.split(';');
     OHIF.viewerbase.renderViewer(this, { studyInstanceUids: [studyInstanceUid], seriesInstanceUids });
-}, { name: 'viewerSeries' });
+}, { name: 'viewerSeries' });