https://bugzilla.redhat.com/show_bug.cgi?id=1023325 - grouping handler now waits for bindings to be created if local, with timeout on groups
https://bugzilla.redhat.com/show_bug.cgi?id=1023325 - removing Thread reaper and using an executor
Merge pull request #1353 from clebertsuconic/andy-2.3.x

https://bugzilla.redhat.com/show_bug.cgi?id=1023325 - grouping handler