Removed inexplicable dependencies on action_controller and action_pack

shoulda_macros/paperclip.rb

 require 'paperclip/matchers'
-require 'action_controller'
 
 module Paperclip
   # =Paperclip Shoulda Macros

test/helper.rb

@@ -9,21 +9,17 @@ case ENV['RAILS_VERSION']
 when '2.1' then
   gem 'activerecord',  '~>2.1.0'
   gem 'activesupport', '~>2.1.0'
-  gem 'actionpack',    '~>2.1.0'
 when '3.0' then
   gem 'activerecord',  '~>3.0.0'
   gem 'activesupport', '~>3.0.0'
-  gem 'actionpack',    '~>3.0.0'
 else
   gem 'activerecord',  '~>2.3.0'
   gem 'activesupport', '~>2.3.0'
-  gem 'actionpack',    '~>2.3.0'
 end
 
 require 'active_record'
 require 'active_record/version'
 require 'active_support'
-require 'action_pack'
 
 puts "Testing against version #{ActiveRecord::VERSION::STRING}"