updated deprecated class
this removes:
DEPRECATION WARNING: cl is deprecated and will be removed, use ActionDispatch::Integration instead.
(called from form_url at ~/.rvm/gems/ruby-2.0.0-p353/bundler/gems/turkee-8c37590970e0/lib/models/turkee_task.rb:261)
Merge pull request #26 from Numerico/master

updated deprecated class