Patch for https://github.com/librato/metrics-librato/issues/26 Make LibratoBatch metric "expansion" configurable
Merged branch nickdella-expanded-metric-filtering
Minor Updates

- Use rev'd SNAPSHOT version in the POM
- Use SNAKE_CASE caps for constants
- Long constructor parameters on different lines
- Remove unused logger
- Check that expansionConfig is not null
Tests for MetricsLibratoBatch
Merge branch 'master' into nickdella-expanded-metric-filtering