Revert "Update to latest version of Scala"
Revert "Update to latest version of Scala"

This reverts commit 912d51923e405bc86886f7a9e1cf57a66a88ad25.

Scala 2.11.3 is DOA

https://groups.google.com/forum/#!msg/scala-internals/SSD9BNJaFbU/rACBkHrs2JEJ

guardian/prout