Update Rails to 4.1.1.
Rails 4.1.1 is security release, we should update.
Ref. http://weblog.rubyonrails.org/2014/5/6/Rails_3_2_18_4_0_5_and_4_1_1_have_been_released/
Merge pull request #2 from JuanitoFatas/patch/rails-4-1-1

Update Rails to 4.1.1.