Update Gemfile for Rails test
Update Gemfile for Rails test

Up to Rails 4.2.1

jpmobile/jpmobile,yui-knk/jpmobile,asonas/jpmobile,yui-knk/jpmobile,matsu911/jpmobile,matsu911/jpmobile,asonas/jpmobile,xibbar/jpmobile,sunny4381/jpmobile,jpmobile/jpmobile,xibbar/jpmobile,sunny4381/jpmobile