spray/spray — pull request #787 by TulioDomingos (2014-02-26 14:33:05+00:00)
Title: Confirm threads are stopped before undeployment

Release memory by making sure all threads are stopped before app undeployment takes place.

More info at:
https://groups.google.com/forum/#!topic/spray-user/4wwQbHFXkxk
https://groups.google.com/forum/#!topic/akka-user/Lp2hn4FfhU8