Add raw worker uploading
Merge pull request #164 from thousandsofthem/raw-uploading

Add raw worker uploading
send iron_task_id if exec_inst responds to iron_task_id=
Add nokogiri 1-6 warning, fix multiple errors
Merge pull request #166 from hjblok/send-iron-task-id

send iron_task_id if exec_inst responds to iron_task_id=
Merge pull request #167 from thousandsofthem/add-nk-warning

Add nokogiri 1-6 warning, fix multiple errors
Updated gems to get rid of mime-types dependency.
Updated gems to get rid of mime-types dependency.