Merge remote-tracking branch 'upstream/dev' into dev
Refactoring Mailbox/Queue support
Refactoring Mailbox Queue support
Moved MessageQueues to a sub namespace
Profiling perf
Fixes RemoteDeployer local deploy bug

Fixes Perf issues in main message pipeline
Added DefaultMailbox
Implementing PriorityMailbox
Refactoring GenericMailbox
Small cleanup
Added message queue semantics
Priority queue mailbox spec
Mailbox Spec fix
lower test timeout
Small fixes to priority mailbox code
Refactoring message queues.

Introduced a blocking wrapper base class for message queues that use non thead safe data structures
Merge remote-tracking branch 'upstream/dev' into dev
added release notes for Akka v0.6.4
Merge pull request #367 from Aaronontheweb/dev

Added release notes for Akka.NET v0.6.4
Merge pull request #364 from rogeralsing/dev

PriorityMailbox
Increased version number to 0.6.5

In order to get the version correct when creating new packages locally