Add myphillyrising.Neighborhood model
Add a utils app for useful extensions and tools
Add a serializer for Neighborhoods
Bootstrap the neighborhood data
Add fixture with neighborhood data
Support item-list pagination

- Update the item list view to return a paginated result
- Update the item backbone view to be a composite with a 'load more' button at the end
Add content item pagination to the admin

- Match the default Django model ordering with the Backbone collection ordering
- Add a PaginatedCollection base (TODO: explore mixins in backbone)
- Fetch the next page of items on button click
Add admin-utils to the included scripts in the admin page