Added DeadLetterListener
Merge pull request #13 from Aaronontheweb/dev

added a WinForms stock ticker example
Added link to Rake / Build instructions
Fixed nullref exception in stockticker example
Merge branch 'master' of https://github.com/rogeralsing/Pigeon
Added deadletter listener
Added DeadLetterActorRef
Started on DeadLettersSpec
First deadLettersSpec
Added scala code for ToDo
bumped build number to Pigeon 0.1.0.1