+con #15157 Changed ClusterSharding.start to return the shardRegion
ActorRef #15209

* Changed ClusterSharding.start to return the ActorRef to the shardRegion (#15157)

* Fixed indentation, and removed unused import

* Test for new API
* removed unused import

- Moved barrier outside of the runon
=pro #15116 Update Typesafe Config to 1.2.1
=act Add `putByteArrayUnsafe` optimization to `ByteStringBuilder`
=scr #15002 use github API to get fixed issue list for a milestone
Merge pull request #15251 from 2m/release-stats-from-github

=scr #15002 use github API to get fixed issue list for a milestone
Merge pull request #15209 from jgordijn/15157-clustersharding-start-API-jgordijn

+con #15157 Changed ClusterSharding.start to return the shardRegian ActorRef
Merge pull request #15249 from akka/wip-15232-putByteArrayUnsafe-master-ban

=act Add `putByteArrayUnsafe` optimization to `ByteStringBuilder` (Forward Port)
Merge pull request #15248 from akka/wip-15116-config-1.2.1-master-ban

=pro #15116 Update Typesafe Config to 1.2.1 (Forward Port)