Add search jobs to UI
Sortable columns
Remove commented code
Extract custom search fields into JobCommon

Also adds instructions to README
Merge pull request #12 from paul/feature/search-jobs

Add search jobs to UI
Add README instructions for custom fields
Merge pull request #15 from paul/feature/search-jobs

Add README instructions for custom fields
Support custom actions
Merge pull request #16 from paul/feature/custom-actions

Add support for custom actions
Merge branch 'master' of github.com:rainforestapp/queue_classic_admin into redirect

Conflicts:
	app/controllers/queue_classic_admin/queue_classic_jobs_controller.rb