* lib/net/http/responses.rb: Add RFC 6586 response codes. Patch by

Sangil Jung.  [ruby-trunk - Feature #6480]
* lib/net/http/response.rb:  ditto
* lib/net/http.rb:  ditto
* lib/webrick/httpstatus.rb:  ditto


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35970 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/net/http.rb

@@ -347,6 +347,9 @@ module Net   #:nodoc:
   #   HTTPUnsupportedMediaType::            415
   #   HTTPRequestedRangeNotSatisfiable::    416
   #   HTTPExpectationFailed::               417
+  #   HTTPPreconditionRequired::            428
+  #   HTTPTooManyRequests::                 429
+  #   HTTPRequestHeaderFieldsTooLarge::     431
   # HTTPServerError::                    5xx
   #   HTTPInternalServerError::             500
   #   HTTPNotImplemented::                  501
@@ -354,6 +357,7 @@ module Net   #:nodoc:
   #   HTTPServiceUnavailable::              503
   #   HTTPGatewayTimeOut::                  504
   #   HTTPVersionNotSupported::             505
+  #   HTTPNetworkAuthenticationRequired::   511
   #
   # There is also the Net::HTTPBadResponse exception which is raised when
   # there is a protocol error.