added descriptive and enlightening comments

Author: chieffancypants

src/loading-bar.js

@@ -10,10 +10,14 @@
 
 
 (function() {
+
 'use strict';
 
+// Alias the loading bar so it can be included using a simpler
+// (and maybe more professional) module name:
 angular.module('angular-loading-bar', ['chieffancypants.loadingBar']);
 
+
 /**
  * loadingBarInterceptor service
  *