Latest version of com.typesafe.akka:akka-actor_2.11.0-M5
https://javadoc.io/doc/com.typesafe.akka/akka-actor_2.11.0-M5
Current version 2.2.1
https://javadoc.io/doc/com.typesafe.akka/akka-actor_2.11.0-M5/2.2.1
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/com.typesafe.akka/akka-actor_2.11.0-M5/2.2.1/package-list