Fixed deprecation in spinach stubs

Signed-off-by: Jeroen van Baarsen <jeroenvanbaarsen@gmail.com>

features/steps/project/redirects.rb

@@ -17,7 +17,7 @@ class Spinach::Features::ProjectRedirects < Spinach::FeatureSteps
   end
 
   step 'I should see project "Community" home page' do
-    Gitlab.config.gitlab.stub(:host).and_return("www.example.com")
+    Gitlab.config.gitlab.should_receive(:host).and_return("www.example.com")
     within '.navbar-gitlab .title' do
       page.should have_content 'Community'
     end