* Some adjustments to config examples.
- Add ExitOnOutOfMemoryError to jvm.config examples. It was added a
pretty long time ago (8u92) and is helpful since it prevents zombie
processes from hanging around. (OOMEs tend to bork things)
- Disable Broker caching and enable it on Historicals in example
configs. This config tends to scale better since it enables the
Historicals to merge results rather than sending everything by-segment
to the Broker. Also switch to "caffeine" cache from "local".
- Increase concurrency a bit for Broker example config.
- Enable SQL in the example config, a baby step towards making SQL
more of a thing. (It's still off by default in the code.)
- Reduce memory use a bit for the quickstart configs.
- Add example Router configs, in case someone wants to use that. One
reason might be to get the fancy new console (#6923).
* Add example Router configs.
* Fix up router example properties.
* Add router to quickstart supervise conf.