Make {Create,Response,Update}Message greppable
Backfill specs for model_controller
Backfill tests for ModelController
Remove what appears to be mistake code
Call {before,after}_update from update
Refactor auditing in app controller
Add audit logs for spaces
Ensure space/org guids in audit.space.delete
Add API documentation for spaces
Fix broken model_controller specs

Sorry they're slow!
Be explicit about request in delete audits
Fix broken API specs
Fix broken event spec