akka/akka — pull request #681 by RayRoestenburg (2012-09-07 13:54:35+00:00)
Title: Wip 1924 rewrite activation

Fix in ActivationIntegrationTest and update of docs
Cherry picked ticket #2383 #2387
Fixes based on review and changed onRouteDefinition to use a more immutable approach that does
not refer back to the Actor instance but to a function / mapper.
cherry-picked onRouteDefinition test from ticket #1927