Commented a lot of functions. Tried to get jsDoc and/or docco to work

Packages/viewerbase/lib/helpers/formatDA.js

@@ -1,9 +1,11 @@
+/**
+ * A global Blaze UI helper function to format DICOM Dates using the Moment library
+ */
 UI.registerHelper('formatDA', function (context, format, options) {
     if (!context) {
         return undefined;
     }
-    var date = context;
-    var dateAsMoment = moment(date, "YYYYMMDD");
+    var dateAsMoment = moment(context, "YYYYMMDD");
     var strFormat = "MMM D, YYYY";
     if (options) {
         strFormat = format;