Latest version of com.typesafe.akka:akka-actor_2.11.0-M7
https://javadoc.io/doc/com.typesafe.akka/akka-actor_2.11.0-M7
Current version 2.2.3
https://javadoc.io/doc/com.typesafe.akka/akka-actor_2.11.0-M7/2.2.3
package-list path (used for javadoc generation -link option)
https://javadoc.io/doc/com.typesafe.akka/akka-actor_2.11.0-M7/2.2.3/package-list