Matthieu-Riou/Butterfly — pull request #2 by Cowa (2014-11-05 22:14:06+00:00)
Title: Set up sbt for better development

The project can now use [sbt](http://www.scala-sbt.org/) (Scala Build Tool), and not only Maven.
sbt is way more interesting and fast... especially when it's 100% Scala.

Maven is sooo slow.

:koala: