NROER Data entry script added

**New Field ```license: basestring``` added to ```class GSystem```**
- Need to run ```python manage.py sync_existing_documents```

**Script added to add nroer data from CSV file**
- Prerequisite is to create superuser ```nroer_team```

**data_review url, view created**
- This will appear in LHS of ```File``` app.
- Shows the resources/file app elements in tabular format
- The work is in initial phase; going to improve in future commits.

**```adaption_of``` attribute added to factory_type.py**