Concerning akka in osgi:
ActorRefProvider contains in akka-cluster or akka-remote bundle are not found by the akka-actor bundle, thus exposing those if required
 Migrating Agents to greener pastures
 Migrating Agents to greener pastures
document deadlock risk of TestProbe.watch(TestActorRef), see #2916
log failures in postStop, see #2928
Add 'requiring': like 'ensuring' but with 'require' semantics. Fixes #2798
Change wrong netty port conf in tests
Added blocking handshake for outbound SSL connections #2833

 - Eliminated "Promise passing style" and using future composition wherever possible
Merge pull request #1043 from drewhk/wip-2833-ssl-blocking-handshake

Added blocking handshake for outbound SSL connections #2833
Merge pull request #1057 from akka/wip-netty-port-patriknw

Change wrong netty port conf in tests
Changed and documented new remoting configuration #2593
Merge pull request #1044 from drewhk/wip-2593-new-remoting-configuration-drewhk

Changed and documented new remoting configuration #2593
Merge pull request #1047 from akka/wip-2798-ensuring-rich

Add 'requiring': like 'ensuring' but with 'require' semantics. Fixes #2798
fix-up Cluster’s complaint for too slow Scheduler, see #2904
don’t use the testActor.queue for probe.watch(), see #2915
Merge pull request #1054 from akka/wip-2928-log-postStop-failures-∂π

log failures in postStop, see #2928
Merge pull request #1053 from akka/wip-2916-CTD-warning-∂π

document deadlock risk of TestProbe.watch(TestActorRef), see #2916
Merge pull request #1052 from akka/wip-2915-testprobe-watch-∂π

don’t use the testActor.queue for probe.watch(), see #2915
various doc fixes (spelling, wrong words, clarity)
Merge branch 'tmp'