Update Rails 4.1.0 -> 4.1.1

This release contains an important security update for CVE-2014-0130.

More information:

  http://weblog.rubyonrails.org/2014/5/6/Rails_3_2_18_4_0_5_and_4_1_1_have_been_released/
  https://groups.google.com/forum/#!msg/rubyonrails-security/NkKc7vTW70o/NxW_PDBSG3AJ

Change-Id: Ib511461ae28914d4c243a6c2af6842f1e6de9f63