Require AttributeValue class in correct place

Author: borgand

lib/onelogin/ruby-saml/response.rb

@@ -1,7 +1,6 @@
 require "xml_security"
 require "time"
 require "nokogiri"
-require File.expand_path(File.join(File.dirname(__FILE__), 'attribute_value.rb'))
 
 # Only supports SAML 2.0
 module OneLogin

lib/ruby-saml.rb

@@ -2,6 +2,7 @@
 require 'onelogin/ruby-saml/authrequest'
 require 'onelogin/ruby-saml/logoutrequest'
 require 'onelogin/ruby-saml/logoutresponse'
+require 'onelogin/ruby-saml/attribute_value'
 require 'onelogin/ruby-saml/response'
 require 'onelogin/ruby-saml/settings'
 require 'onelogin/ruby-saml/validation_error'