r5117: used a composite function to add 4 stage name registration. We send 3

r5117: used a composite function to add 4 stage name registration. We send 3
broadcast name registration demands per name per interface at 1 second
intervals, then send a name overwrite request and demand. Any name
conflict replies are reported.
(This used to be commit d656fba6f1a2e9d8c03893741327e5fb59c5271e)