Include JavaScript runtime for Rubinius

Gemfile

@@ -13,10 +13,14 @@ platforms :jruby do
 end
 
 group :test, :production do
-  platforms :ruby do
+  platforms :mri do
     gem 'therubyracer-heroku', '0.8.1.pre3'
   end
 
+  platforms :rbx do
+    gem 'therubyracer', '~> 0.9'
+  end
+
   platforms :jruby do
     gem 'therubyrhino', '~> 1.72'
   end

Gemfile.lock

@@ -57,6 +57,7 @@ GEM
     i18n (0.6.0)
     jruby-openssl (0.7.4)
       bouncy-castle-java
+    libv8 (3.3.10.2)
     mail (2.3.0)
       i18n (>= 0.4.0)
       mime-types (~> 1.16)
@@ -101,6 +102,8 @@ GEM
       rack (~> 1.0)
       tilt (~> 1.1, != 1.3.0)
     sqlite3 (1.3.3)
+    therubyracer (0.9.0)
+      libv8 (~> 3.3.10)
     therubyracer-heroku (0.8.1.pre3)
     therubyrhino (1.72.7)
     thor (0.14.6)
@@ -135,6 +138,7 @@ DEPENDENCIES
   sass
   simplecov
   sqlite3
+  therubyracer (~> 0.9)
   therubyracer-heroku (= 0.8.1.pre3)
   therubyrhino (~> 1.72)
   turn