* Add scalafix plugin for jdk 9.
* Add command alias sortImports.
* Excludes some sources from SortImports.
* Update SortImports to 0.4.0
* Sort imports with `sortImports` command.
* moved to cluster tests, in new package akka.cluster.testkit
* changed config in tests
* migration guide
* documentation clarificiations for Downing and Leaving
* update warnings in Singleton and Sharding
* fix several tests that were using akka.remote.netty.tcp config
* replace akka.tcp with akka in more places
* some doc cross references to remoting.md
* ⇒, →, ←
* because we don't want to show them in documentation snippets and
then it's complicated to avoid that when snippets are
located in src/test/scala in individual modules
* dont replace object `→` in FSM.scala and PersistentFSM.scala
* Add CopyrightHeader support for sbt-boilerplate plugin.
* Add CopyrightHeader support for `*.proto` files.
* Add regex match for both `–` and `-` for CopyrightHeader.
* Add CopyrightHeader support for sbt build files.
* Update copyright from 2018 to 2019.
* re-implement javadsl testkit
* fix mima problem
* rebase master
* move ImplicitSender/DefaultTimeout to scaladsl
* undo the change of moving scala api
* fix return type and add doc
* resolve conflicts and add more comments
* Verify that it actually fails with classic remoting
if vector clocks are not pruned
* Make it pass with Artery, but it is not verifying
the message sizes yet. We should implement that
with a custom RemoteInstrument, but that can be done
in separate PR.
* Still pending with Artery because it still fails on jenkins
* barrier after sys shutdown
(cherry picked from commit d5edcbea35ca5b43ca4cfb3018602dd555402f42)
