=pro sbt-0.13.2-RC2 with name hashing, scala 2.10.4

* take advantage of latest incremental compiler improvements
* scala 2.10.4
* Remove workaround in FutureSpec, bug fixed in Scala 2.10.4
* Change version of samples to allow snapshot overwrite in publishM2
* allow publish overwrite for osgi-dining-hakkers/uncommons
=pro use sbt 0.13.2
=pro Update test dependencies to Scala 2.11 cross published versions
Merge pull request #2124 from akka/wip-update-test-dependencies-ban

=pro Update test dependencies to Scala 2.11 cross published versions