Version 2.3-M2

Updating Scala to 2.11.0-M7 fix tests/compilation

Version 2.2.3

Bumping version to v2.2.3

Version 2.3-M1

Version 2.2.2

Updating Scala to 2.11.0-M5, ScalaTest to 2.0.M7 and fix tests/compil…

…ation

=sbt #3499 Create separate project for the plugin on 0.13

Version 2.2.1

adapt for Scala 2.11.0-M3