Upgraded 1 gem by rebuilding Gemfile.lock file; Added sleep to try to fix fragile spec

spec/vulnerabilities/xss_spec.rb

@@ -19,6 +19,7 @@ feature 'xss' do
     end
     click_on 'Submit'
 
+    sleep(1)
     visit '/'
 
     pending(:if => verifying_fixed?) { find('form.button_to input.btn.btn-primary').value.should == 'RailsGoat h4x0r3d' }
@@ -26,4 +27,4 @@ feature 'xss' do
     # might be nice to demonstrate posting cookie contents or somesuch, but
     # this at least shows the vulnerability still exists.
   end
-end
+end