PWV-2: Exposing ohif:measurements package's lib functions on OHIF namespace

Packages/ohif-measurements/client/lib/getTimepointObject.js

@@ -1,11 +1,13 @@
+import { OHIF } from 'meteor/ohif:core';
+
 /**
  * Returns timepoint object given a specified imageId
  *
  * @param imageId
  * @returns {*|{}} Timepoint object
  */
-getTimepointObject = function(imageId) {
-    var study = cornerstoneTools.metaData.get('study', imageId);
+OHIF.measurements.getTimepointObject = imageId => {
+    const study = cornerstoneTools.metaData.get('study', imageId);
     if (!study) {
         return;
     }