akka/akka — pull request #1522 by rkuhn (2013-06-02 12:35:42+00:00)
Title: fix SupervisorHierarchySpec and add more debug output, see #3312

- the children list which was used for the havoc-wreaking part was not
the right one, leading to an exercise in necromancy
- also print outstanding pings with more detail in case of timeout