=act - Refactored the BatchingExecutor to support both managed blocking and not.
=con #3993 Send UnsubscribeAck in DistributedPubSubMediator to the right sender
=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
Fix task keys to fit sbt 0.13 style (and reality)
=doc switch to GitHub Issues

also remove the `experimental` marker from multi-node-testing’s docs
=doc #3982 Clarify that EventStream is local only

Devs were confused a few times on the mailing list if the eventstream
publishes to the cluster or not; Suggesting pub-sub if needed in clustered env.
Merge pull request #2125 from ktoso/3982-doc-clarify-eventstream-is-local-ktoso

=doc #3982 Clarify that EventStream is local only
Merge pull request #2060 from akka/wip-sbt-name-hashing-patriknw

=pro sbt-0.13.2-RC1 with name hashing, scala 2.10.4
Merge pull request #13994 from akka/wip-assembla-migration-∂π

=doc switch to GitHub Issues
Merge pull request #1970 from akka/wip-improved-batching-executor-√

=act - Refactored the BatchingExecutor to support both managed blocking ...
Merge pull request #2129 from AhmedSoliman/master

Fixes unsubscribe of DistributedPubSubMediator to actually receive the UnsubscribeAck
+con #3972 Make Distributedpubsubmediator support consumer group

1. allow Topic have children topics, which are the groups
2. when publish with sendOneMessageToEachGroup flag, it will send to one
actor each group