Update schema per our new design

We can get rid of EventCurator and EventResource, but I'll wait
until we're completely sure.
Can we add a constructor to ```Consumer``` that takes in a ```BasicDBObject```?  Something along the lines of:

```
public Consumer(String uuid, BasicDBObject obj) {
   BasicDBObject c = (BasicDBObject) event.getNewEntity();
   this(uuid, c.getDate("created"), c.get("owner"));
}
```

Maybe that's not really helpful, just trying to hide what it takes to build a Consumer.