Add abilities for all the new roles.
Move the authorisation for UsersController#validate_users inside the action.
Rename the 'admin' role to 'super_admin'
Add a migration to change all admins to super admins.
Add a data migration to change all Organisations without a type to CSOs.
Merge branch 'develop' of github.com:c42/user-owner into develop

Conflicts:
	spec/controllers/api/v1/organizations_controller_spec.rb