creator and other_contributors AT's added in factory_type. Edit fields added in data-review.

**New attributes *creator* and *other_contributors* added:**
- *creator* is creator of the resource being used. (basestring)
- *other_contributors* is additional contributors to resource. (list)
- Above user's does not belongs to users in our system DB.

**NOTE: please do ```python manage.py filldb``` after taking this pull.**

**Edit fields added into data-review:**
- ```Input``` and ```select``` elements are added to rows in data-review table.