upgrade to rails 2.3.12 and fix deprecation warning and fix some version numbers of gems used for testing

vendor/rails/actionmailer/Rakefile

@@ -1,9 +1,9 @@
 require 'rubygems'
 require 'rake'
 require 'rake/testtask'
-require 'rake/rdoctask'
+require 'rdoc/task'
 require 'rake/packagetask'
-require 'rake/gempackagetask'
+require 'rubygems/package_task'
 require File.join(File.dirname(__FILE__), 'lib', 'action_mailer', 'version')
 
 PKG_BUILD     = ENV['PKG_BUILD'] ? '.' + ENV['PKG_BUILD'] : ''
@@ -29,7 +29,7 @@ Rake::TestTask.new { |t|
 
 
 # Generate the RDoc documentation
-Rake::RDocTask.new { |rdoc|
+RDoc::Task.new { |rdoc|
   rdoc.rdoc_dir = 'doc'
   rdoc.title    = "Action Mailer -- Easy email delivery and testing"
   rdoc.options << '--line-numbers' << '--inline-source' << '-A cattr_accessor=object'
@@ -54,19 +54,17 @@ spec = Gem::Specification.new do |s|
   s.rubyforge_project = "actionmailer"
   s.homepage = "http://www.rubyonrails.org"
 
-  s.add_dependency('actionpack', '= 2.3.11' + PKG_BUILD)
+  s.add_dependency('actionpack', '= 2.3.12' + PKG_BUILD)
 
-  s.has_rdoc = true
   s.requirements << 'none'
   s.require_path = 'lib'
-  s.autorequire = 'action_mailer'
 
   s.files = [ "Rakefile", "install.rb", "README", "CHANGELOG", "MIT-LICENSE" ]
   s.files = s.files + Dir.glob( "lib/**/*" ).delete_if { |item| item.include?( "\.svn" ) }
   s.files = s.files + Dir.glob( "test/**/*" ).delete_if { |item| item.include?( "\.svn" ) }
 end
   
-Rake::GemPackageTask.new(spec) do |p|
+Gem::PackageTask.new(spec) do |p|
   p.gem_spec = spec
   p.need_tar = true
   p.need_zip = true

vendor/rails/actionmailer/lib/action_mailer/version.rb

@@ -2,7 +2,7 @@ module ActionMailer
   module VERSION #:nodoc:
     MAJOR = 2
     MINOR = 3
-    TINY  = 11
+    TINY  = 12
 
     STRING = [MAJOR, MINOR, TINY].join('.')
   end