sauce iPhone acting up so disable
allow specifying seed for scope config

Point to specific instance with collection and database

```
        var SuccessfulResponses = Collection.extend({
          mongodb:
'localhost:27017/scope_stat.counters.status_code.200_10'
        });
```
send experimental drivers header for @monkey101
don't get stuck waiting for a dead server
remove debugging
handle server dead when getting a token
lots and lots of tests for backbone