Update Vendored Rack to 1.2.0

Also update tests for itextomml 1.3.25.

vendor/plugins/rack/test/cgi/lighttpd.conf

@@ -1,20 +0,0 @@
-server.modules = ("mod_fastcgi", "mod_cgi")
-server.document-root = "."
-server.errorlog = "lighttpd.errors"
-server.port = 9203
-
-server.event-handler = "select"
-
-cgi.assign = ("/test" => "",
-#              ".ru" => ""
-             )
-
-fastcgi.server = ("test.fcgi" => ("localhost" =>
-                    ("min-procs" => 1,
-                     "socket" => "/tmp/rack-test-fcgi",
-                     "bin-path" => "test.fcgi")),
-                  "test.ru" => ("localhost" =>
-                    ("min-procs" => 1,
-                     "socket" => "/tmp/rack-test-ru-fcgi",
-                     "bin-path" => "test.ru")),
-                 )

vendor/plugins/rack/test/cgi/test

@@ -1,9 +0,0 @@
-#!/usr/bin/env ruby
-# -*- ruby -*-
-
-$: << File.join(File.dirname(__FILE__), "..", "..", "lib")
-
-require 'rack'
-require '../testrequest'
-
-Rack::Handler::CGI.run(Rack::Lint.new(TestRequest.new))

vendor/plugins/rack/test/cgi/test.fcgi

@@ -1,8 +0,0 @@
-#!/usr/bin/env ruby
-# -*- ruby -*-
-
-$:.unshift '../../lib'
-require 'rack'
-require '../testrequest'
-
-Rack::Handler::FastCGI.run(Rack::Lint.new(TestRequest.new))

vendor/plugins/rack/test/cgi/test.ru

@@ -1,6 +0,0 @@
-#!/usr/bin/env ruby -I ../../lib ../../bin/rackup -E deployment -I ../../lib
-# -*- ruby -*-
-
-require '../testrequest'
-
-run TestRequest.new