title: How to disable deprecation logging in rail 2.3.11?
body: <p>My App was developed in Rails 2.3.11 and Ruby 1.8.7p352.</p>
  
  <p>When I try to run 'rake spec' lot of deprecation warning is displayed in console.</p>
  
  <pre><code>DEPRECATION WARNING: ActiveSupport::Dependencies.load_paths is deprecated, please use   autoload_paths instead. (called from load_paths at /home/soundarapandian/.rvm/gems/ruby-1.8.7-p352/gems/desert-0.5.2/lib/desert/manager.rb:36)
  DEPRECATION WARNING: ActiveSupport::Dependencies.load_paths is deprecated, please use autoload_paths instead. (called from load_paths at /home/soundarapandian/.rvm/gems/ruby-1.8.7-p352/gems/desert-0.5.2/lib/desert/manager.rb:36)
  DEPRECATION WARNING: ActiveSupport::Dependencies.load_paths is deprecated, please use autoload_paths instead. (called from load_paths at /home/soundarapandian/.rvm/gems/ruby-1.8.7-p352/gems/desert-0.5.2/lib/desert/manager.rb:36)
  DEPRECATION WARNING: ActiveSupport::Dependencies.load_paths is deprecated, please use autoload_paths instead. (called from load_paths at /home/soundarapandian/.rvm/gems/ruby-1.8.7-p352/gems/desert-0.5.2/lib/desert/manager.rb:36)
  config.load_paths is deprecated and removed in Rails 3, please use autoload_paths instead
  config.load_paths= is deprecated and removed in Rails 3, please use autoload_paths= instead
  DEPRECATION WARNING: ActiveSupport::Dependencies.load_paths is deprecated, please use autoload_paths instead. (called from load_paths at /home/soundarapandian/.rvm/gems/ruby-1.8.7-p352/gems/desert-0.5.2/lib/desert/manager.rb:36)
  DEPRECATION WARNING: ActiveSupport::Dependencies.load_paths is deprecated, please use autoload_paths instead. (called from load_paths at /home/soundarapandian/.rvm/gems/ruby-1.8.7-p352/gems/desert-0.5.2/lib/desert/manager.rb:36)
  DEPRECATION WARNING: ActiveSupport::Dependencies.load_paths is deprecated, please use autoload_paths instead. (called from load_paths at /home/soundarapandian/.rvm/gems/ruby-1.8.7-p352/gems/desert-0.5.2/lib/desert/manager.rb:36)
  DEPRECATION WARNING: ActiveSupport::Dependencies.load_paths is deprecated, please use autoload_paths instead. (called from load_paths at /home/soundarapandian/.rvm/gems/ruby-1.8.7-p352/gems/desert-0.5.2/lib/desert/manager.rb:36)
  DEPRECATION WARNING: ActiveSupport::Dependencies.load_paths is deprecated, please use autoload_paths instead. (called from load_paths at /home/soundarapandian/.rvm/gems/ruby-1.8.7-p352/gems/desert-0.5.2/lib/desert/manager.rb:36)
  DEPRECATION WARNING: ActiveSupport::Dependencies.load_paths is deprecated, please use autoload_paths instead. (called from load_paths at /home/soundarapandian/.rvm/gems/ruby-1.8.7-p352/gems/desert-0.5.2/lib/desert/manager.rb:36)
  </code></pre>
  
  <p>How can I disable deprecation logging in rails 2.3.11?</p>