Adding Template instructions for Handlebars

Fixing a grammar issue in the mustache section as well as adding settings for handlebars support

docs/templates.rst

@@ -66,7 +66,7 @@ Mustache
 ........
 
 To use it with `Mustache <https://github.com/janl/mustache.js>`_ you will need
-this some extra javascript ::
+some extra javascript ::
 
   Mustache.template = function(templateString) {
     return function() {
@@ -78,11 +78,20 @@ this some extra javascript ::
     };
   };
 
-And use this settings ::
+And use these settings ::
 
  PIPELINE_TEMPLATE_EXT = '.mustache'
  PIPELINE_TEMPLATE_FUNC = 'Mustache.template'
 
+Handlebars
+.........
+
+To use it with `Handlebars <http://handlebarsjs.com/>`_, use the following settings :: 
+
+ PIPELINE_TEMPLATE_EXT = '.handlebars'
+ PIPELINE_TEMPLATE_FUNC = 'Handlebars.compile' 
+ PIPELINE_TEMPLATE_NAMESPACE = 'Handlebars.templates'
+ 
 
 Prototype
 .........