Merge pull request #1691 from andytaylor/master

https://bugzilla.redhat.com/show_bug.cgi?id=1115300
refactor standalone distribution assembly
Merge pull request #1694 from dejanb/master

this is fine. we can change what we want here since the distro will probably be changing anyway
Update ClusteredGroupingExample.java

Fix comment in example and step ordering.
Merge pull request #1695 from MichaelDrogalis/master

Update ClusteredGroupingExample.java
added scale down management method