Initial work on Nucleus parity merge

Packages/ohif-core/main.js

@@ -12,7 +12,8 @@ const OHIF = {
 };
 
 // Expose the OHIF object to the client if it is on development mode
-if (Meteor.isDevelopment && Meteor.isClient) {
+// @TODO: remove this after applying namespace to this package
+if (Meteor.isClient) {
     window.OHIF = OHIF;
 }