Fix for CVE-2013-0155
Merge pull request #164 from MosesMendoza/security/1.2rc/patch_rails_cve_2013_0155

Fix for CVE-2013-0155
Update CHANGELOG for 1.2.19
Merge branch '1.2rc'

* 1.2rc:
  Update CHANGELOG for 1.2.19
  Fix for CVE-2013-0155