#2782 - Removing ConcurrentIdentityHashMap and shake this all about
 isProxy is internally using a single, fat, synchronized – yes, astonishing to say the least, with this we lower the pressure on that lock.
Merge pull request #1048 from akka/wip-2782-removing-CIHM-√

 #2782 - Removing ConcurrentIdentityHashMap and shake this all about
Merge pull request #1049 from akka/wip-lower-pressure-on-lock-√

 isProxy is internally using a single, fat, synchronized – yes, astonish...
LightArrayRevolverScheduler, see #2904

- based on a wheel (AtomicReferenceArray) from which atomic
  single-linked lists dangle
- no locks
- deterministic tests due to overridable time source
- also bring docs up to date
Merge pull request #1027 from akka/wip-2904-timer-∂π

first cut of new AkkaTimer, see #2904
Java 6 again; plus forgot one copyright header
disable EPUB build until sbt-site is fixed, see #2938
document deadlock risk of TestProbe.watch(TestActorRef), see #2916
log failures in postStop, see #2928
relax too tight timing in FSMTransitionSpec
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