=* #2966 Reduce warnings from compile, test, scaladoc
=per #3848 Link to external plugin list
=all #3837 Make akkaScalaNightly compile on scala 2.11.0-M8
Merge pull request #1964 from akka/wip-2966-warnings-patriknw

=* #2966 Reduce warnings from compile, test, scaladoc
Merge pull request #1968 from krasserm/wip-3848-link-external-plugin-list-krasserm

=per #3848 Link to external plugin list
Merge pull request #1976 from akka/wip-3837-akka-master-on-scala-master-ban

=all #3837 Make akkaScalaNightly compile on scala 2.11.0-M8
Merge remote-tracking branch: upstream/master