Merge pull request #2337 from nfrancois/patch-1

Fix pom.xml
Fix maven documentation : groupId

groupId is wrong.
Should be `io.gatling.highcharts` as the sample
https://github.com/gatling/gatling-maven-plugin-demo/blob/master/pom.xml
Upgrade ThreeTenBP 1.1, close #2340
Merge pull request #2339 from nfrancois/patch-2

Doc: Fix maven documentation : groupId
Don't throw an Exception while shutting down, close #2334
Improve throttling explanation, close #2342
Recorder: Align configuration setup with Gatling's
Fix tests
Upgrade Scala 2.11.4
Upgrade Upgrade Netty 3.9.5, close #2344
Upgrade AHC 1.9.0-BETA20, close #2345
Fix build
Upgrade Jodd 3.6.2
Fix typo
Remove useless "Set up the repositories" section
Doc: Document Gatling's Maven Archetype, close #2347
Minor clean up
Merge pull request #2348 from gatling/archetype-doc

Document Gatling's Maven Archetype
Support non-integer percentiles

This allows us to look at the long tail, and should allow you to set
percentile2 = 99.9 in gatling.conf
Merge pull request #2350 from stig/non-integer-percentiles

Reports: Support non-integer percentiles