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

Packages/viewerbase/lib/helpers/formatNumberPrecision.js

@@ -1,4 +1,7 @@
-UI.registerHelper('formatNumberPrecision', function(context, precision, options) {
+/**
+ * A global Blaze UI helper to format a float value to a specified precision
+ */
+UI.registerHelper('formatNumberPrecision', function(context, precision) {
     if (context) {
         return parseFloat(context).toFixed(precision);
     }