Add support for Scala 2.10 and 2.11

[mkrcah]

This is a great lib. Are there any plans to deploy it against Scala 2.10 and 2.11?
The 2.9 lib version is binary incompatible with our 2.11 apps.

[mkrcah]

It seems that Typesafe took over.
https://github.com/typesafehub/play-plugins/tree/master/statsd