permit expiration and description params
including updated_at in idea json and accepting new params for threads
Merge branch 'master' of github.com:cremalab/suite_api into new-thread-attributes-rb

Conflicts:
	app/controllers/idea_threads_controller.rb
fixing bad merge
Fixing delayed job lookup bug on update
fixing delayed_job bug on threads destroy
Merge pull request #83 from cremalab/new-thread-attributes-rb

New thread attributes rb