barber upgrade, get assets precompile working on 1.9

Gemfile.lock

@@ -41,10 +41,10 @@ GEM
       activerecord (>= 2.3.0)
       rake (>= 0.8.7)
     arel (5.0.1.20140414130214)
-    barber (0.4.2)
+    barber (0.5.0)
       ember-source
       execjs
-      handlebars-source
+      handlebars-source (>= 1.0.0.rc.4)
     better_errors (2.0.0)
       coderay (>= 1.0.0)
       erubis (>= 2.6.6)

lib/freedom_patches/ember_compat_handlebars.rb

@@ -4,10 +4,6 @@
 module Barber
   class EmberCompatPrecompiler < Barber::Precompiler
 
-    def self.call(template)
-      "Handlebars.template(#{compile(template)})"
-    end
-
     def sources
       [handlebars, precompiler]
     end
@@ -18,7 +14,7 @@ module Barber
       #{File.read(Rails.root + "app/assets/javascripts/discourse/lib/ember_compat_handlebars.js")}
       var Barber = {
         precompile: function(string) {
-          return Discourse.EmberCompatHandlebars.precompile(string).toString();
+          return Discourse.EmberCompatHandlebars.precompile(string,false).toString();
         }
       };
 END