On sites with login_required enabled, after signup, don't show the /login page again

app/controllers/static_controller.rb

@@ -5,6 +5,8 @@ class StaticController < ApplicationController
 
   def show
 
+    return redirect_to('/') if current_user && params[:id] == 'login'
+
     map = {
       "faq" => "faq_url",
       "tos" => "tos_url",

spec/controllers/static_controller_spec.rb

@@ -2,6 +2,7 @@ require 'spec_helper'
 
 describe StaticController do
 
+  context 'show' do
     context "with a static file that's present" do
 
       before do
@@ -52,6 +53,14 @@ describe StaticController do
       end
     end
 
+    it 'should redirect to / when logged in and path is /login' do
+      log_in
+      xhr :get, :show, id: 'login'
+      response.should redirect_to '/'
+    end
+  end
+
+
   describe '#enter' do
     context 'without a redirect path' do
       it 'redirects to the root url' do