Metrics

CHANGELOG
=========
* Pulled in latest jpmml/openscoring@bd8fe0401b2ce71321f72c64baee0bfdfe288e74 and pcarrier-packaging/openscoring@8c8a1cbf9906e2a7a7aecfd4c332fb01581102f3
* Updated parent `pom.xml` to specify shared versions.
* Modified `server/pom.xml` to generate a war only when the `war`
  profile is specified.
* Lombok-ified `server/` because `@Slf4j` is too easy not to do it.
* Added logging to `server/`.
* Guice-ified `server/` in order to make it easier to monitor from
  `standalone`
* Guice-ified `standalone/`
* Added reporting via StatsD for `standalone/`