Upgrade Java StatsD Client\n\nNeeded to send longs not ints
Make tests spin up 3 nodes to distribute docs better
Use IndicesStatsRequestBuilder / IndicesStatsResponse in ES to gather index stats
Add Warmer and Percolate stats
Version Bump
Merge branch 'master' into a8c-dev
Send fractional values for load average to StatsD

The newest version (v3.0.2) of java-statsd-client now supports doubles for
guage value and gauge deltas, update ES StatsD Plugin to send doubles
instead of longs for load averages.

This resolves #1
Version bump to v0.3.3