agourlay/omnibus — pull request #23 by agourlay (2014-04-06 14:45:42+00:00)
Title: #14 application Metrics (WIP do not merge)

Integrate Codahale's Metrics to the application.

# Reporting
- JMX managed beans
- Graphite if enabled in config.

# InstrumentedActors
- message receive counter
- message receive timer
- exception thrown rate

# TopicStatisticsActor
- use metrics to compute throughtput