adapt for Scala 2.11.0-M3
Version 2.2.0-RC1
Version 2.2-M5
Version 2.2-M4
make it compile with Scala 2.11.0-M3
Version 2.1.4
Update version for release 2.1.3
Version 2.2-M3
Version 2.2-M2
Version 2.1.2