* Remove @switch when it doesn't take effect
* Use ActorRef.noSender
* Minor tweaks to SchedulerSpec
* Disambiguate TypedActor for Scala 3
* Bump ScalaTest to a version compatible with Scala 3
* Bump ScalaCheck
* Disambiguate Event in SupervisorHierarchySpec
* Scala 3 compatible EventBusSpec
* Prevent private unused variables to be erased by Scala 3
* Bump mockito
* Explicit actorRef2Scala import
* restore original .scalafix.conf
* Scala 3 compatible tailrec
* Reminder to re add switch annotation in case
* Move to nowarn instead of silencer
* Bump to Scala 2.12.13
* Cross compatible annotations
* fix docs generation
* adapt the build for Scala 3
* fix errors but bus
* remove more SerialVersion from trait
* scalacheck only from scalatest
* cross-compile akka-actor-tests
* restore cross-compilation
* early initializers workaround
* scalacheck switch
* cross compatible FSM.State class
* cross compatible LARS spec
* Change results to pass LineNumberSpec
* fix stackoverflow in AsyncDnsResolverIntegrationSpec
* FSM.State unapply
* fix Scala 2.13 mima
* SerialVersionRemover compiler plugin
* removed unused nowarns
* 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.
