Fix admin user form bugs.
Merge pull request #755 from jcushman/admin-tweaks

Fix admin-console user-form bugs.
Adding initial tastypie integration
Rename links to archives and add folders
Add current user and limit fields
Use django-subdomains for routing the API
Add a fixture to populate the site
Update the install instructions
Check for empty args since tastypie initializes an empty, placeholder object
Update to South 1.0.1
Add an endpoint and form for creating and updating a user's API key
Switch /user api endpoint over to ApiKeyAuth
Adding initial link creation via API
Wrap up page logic in a class and add validation
Roll Page attributes into Link and add celery tasks after obj_create
Add file upload support
Add link deletion
Add missing exceptions
Spin out authorizations and validations
Relocate a comment