akkadotnet/akka.net — pull request #364 by rogeralsing (2014-09-02 16:01:21+00:00)
Title: PriorityMailbox

* Contains a new generic mailbox base `Mailbox` which can consume different kinds of message queues
* Contains `UnboundedPriorityMailbox` base class that can be used to create custom priority mailboxes
* Contains `MessageQueue` and related semantics