Main application controller.
A dataset is a collection of files and streams.
Information about extractors.
Created by maxyuan on 4/27/15.
Utility controller to be called, typically as a redirect, from the client side when an AJAX error is received, or when there are errors with authentication or permissions within the normal controller flow.
Registration class for overwritting securesocial.
Action builders check permissions in controller calls.
Spaces allow users to partition the data into realms only accessible to users with the right permissions.
Login, logout, signup.