fixed jrails, fixed deprecation warnings

vendor/plugins/jrails/lib/jrails.rb

@@ -1,3 +1,5 @@
+$: << File.expand_path("..", __FILE__)
+
 require 'jrails/jrails'
 require 'jrails/asset_tag_ext'
-require 'jrails/jquery_selector_assertions' if Rails.env == 'test'
+require 'jrails/jquery_selector_assertions' if Rails.env == 'test'

vendor/plugins/jrails/lib/jrails/jrails.rb

@@ -1,4 +1,4 @@
-class JRails
+module JRails
   @@config = {
     :google           => false,
     :jquery_version   => "1.4.2",