Merge branch 'use_fullpath' into 'master'

If referer in request is incorrect use fullpath

Fixes #1444

See merge request !982

app/controllers/sessions_controller.rb

 class SessionsController < Devise::SessionsController
 
   def new
-    if request.referer.present?
-      store_location_for(:redirect, URI(request.referer).path)
+    redirect_url = if request.referer.present?
+                     referer_uri = URI(request.referer)
+                     if referer_uri.host == Gitlab.config.gitlab.host
+                       referer_uri.path
+                     else
+                       request.fullpath
                      end
+                   else
+                     request.fullpath
+                   end
+
+    store_location_for(:redirect, redirect_url)
 
     super
   end

features/steps/project/redirects.rb

@@ -17,6 +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")
     within '.project-home-title' do
       page.should have_content 'Community'
     end