guess locale from browser settings

Gemfile

@@ -27,6 +27,7 @@ gem 'roxml', :git => 'git://github.com/Empact/roxml.git'
 gem 'addressable', :require => 'addressable/uri'
 gem 'json'
 gem 'mini_fb'
+gem 'http_accept_language', :git => 'http://github.com/iain/http_accept_language.git'
 
 #Standards
 gem 'pubsubhubbub'

Gemfile.lock

@@ -67,6 +67,12 @@ GIT
       capistrano (>= 2.5.5)
       highline (>= 1.4.0)
 
+GIT
+  remote: http://github.com/iain/http_accept_language.git
+  revision: 0b78aa7849fc90cf9e12586af162fa4c408a795d
+  specs:
+    http_accept_language (1.0.1)
+
 GEM
   remote: http://rubygems.org/
   specs:
@@ -367,6 +373,7 @@ DEPENDENCIES
   em-websocket
   factory_girl_rails
   haml
+  http_accept_language!
   json
   launchy
   magent!

app/controllers/application_controller.rb

@@ -9,6 +9,7 @@ class ApplicationController < ActionController::Base
   before_filter :set_friends_and_status, :except => [:create, :update]
   before_filter :count_requests
   before_filter :set_invites
+  before_filter :set_locale
 
   def set_friends_and_status
     if current_user
@@ -33,4 +34,8 @@ class ApplicationController < ActionController::Base
       @invites = current_user.invites
     end
   end
+
+  def set_locale
+    I18n.locale = request.compatible_language_from I18n.available_locales
+  end
 end