Revert "Debug Statements - do not merge this on master"

This reverts commit 4fa7258734dcc60ad9dddb1b3c446a7e19ef38a3.
https://bugzilla.redhat.com/show_bug.cgi?id=958776 Move connection.signalStopToAllSessions() to destroy()
it was placed inside destroyAllHandles() which is also called from within cleanup()
Merge pull request #1034 from FranciscoBorges/2.3.x

2.3.x one trivial revert and the BZ fix