akka/akka — pull request #2050 by drexin (2014-03-02 02:26:14+00:00)
Title: +act #3246 Added control aware mailbox types

This PR adds `Unbounded-` and `BoundedControlAwareMailbox`. These mailboxes maintain one queue for normal messages and another queue for messages that extend the `akka.dispatch.ControlMessage` trait. Messages extending this trait will be delivered before the normal messages.