Quantiles computed with the T-Digest algorithm.
Don't recompute the Graphite metric root path everytime
Atomically handle the measures in the Graphite reporter - communicate between actors with immutable messages and avoid concurrency issues
When facing an config error, be explicit about it.
minor: typo
Also add the 'graphite.compression' config in gatling.conf
Merge excilys/master
add graphite.bucketWidth in the list of deprecated config
Merge excilys/master
Percentile computation with the bucket algorithm
Merge pull request #1759 from nremond/tdigest

Handle concurrency in a better way in the Graphite Data Writer.