This firehose connects directly to the twitter spritzer data stream.
Sample spec:
```json
"firehose" : {
"type" : "twitzer",
"maxEventCount": -1,
"maxRunMinutes": 0
}
```
|property|description|default|required?|
|--------|-----------|-------|---------|
|type|This should be "twitzer"|N/A|yes|
|maxEventCount|max events to receive, -1 is infinite, 0 means nothing is delivered; use this to prevent infinite space consumption or to prevent getting throttled at an inconvenient time.|N/A|yes|
|maxRunMinutes|maximum number of minutes to fetch Twitter events. Use this to prevent getting throttled at an inconvenient time. If zero or less, no time limit for run.|N/A|yes|