added stub-methods for getting nicer OS and browser names

lib/hb-helpers.js

@@ -84,6 +84,17 @@ module.exports.registerHelpers = function registerHelpers() {
         else return id;
     });
 
+    hb.registerHelper('prettyOSName', function(name) {
+      // TODO make first character upper case and return one windows name
+      var windows = ['xp', 'windows', 'win8', 'win7'];
+      return name;
+    });
+
+    hb.registerHelper('prettyBrowserName', function(name) {
+      // TODO upper case the browser name
+      return name;
+    });
+
     hb.registerHelper('getPlural', function(value) {
         if (value>1)
           return 's';