bulkowner: nodes that left need to bounce messages
bulkowner: nodes that left need to bounce messages

It can happen that a node (that has left/is leaving)receives
a message via msg_fwd after its delta has been send. Since it
is no longer responsible for any range that message has to be
bounced to its successor.
digshock/scalaris,seyyed/scalaris,tectronics/scalaris,digshock/scalaris,seyyed/scalaris,seyyed/scalaris,digshock/scalaris,tectronics/scalaris,digshock/scalaris,seyyed/scalaris,digshock/scalaris,seyyed/scalaris,tectronics/scalaris,digshock/scalaris,tectronics/scalaris,tectronics/scalaris,seyyed/scalaris,digshock/scalaris,tectronics/scalaris,tectronics/scalaris,seyyed/scalaris