cakephp/cakephp — pull request #1072 by uzyn (2013-01-15 01:20:03+00:00)
Title: Add OK or Successful HTTP codes 200-206 to HttpResponse::isOK(). Fixes #3531

Reference:
http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html and http://www.iana.org/assignments/http-status-codes/http-status-codes.xml