WOrk towards adding datastreams.

As of right now I'm getting a 400 error when I upload a file.
More attempts to add datastream.

Problem is on line 175, the request doesnt have the values I need becuase
I'm not sending them through ajax, just form the HTML. Not sure how to
send files though ajax. Will do more research.
Merge branch 'master' of https://github.com/jermnelson/schema-org-editor

Conflicts:
	editor.py
fixed small error
working on errors
Merge branch 'Jiig-master'