Version updates: Scala 2.11.2, MacroParadise 2.0.1, SBT 0.13.5, ...

... ScalaTest 2.2.1, ScalaFX 2.2.60-R9, sbteclipse-plugin 2.5.0.
If you switch to Java 8, I think we could pick the corresponding scalafx version, too. But it's totally weird why they moved the jfxrt.jar around between versions ...