Refactor ConnNotifier

The class was trying to call both the uprconnmap and the tapconnmap.
This is unneccessary because each connmap will create its own
ConnNotifier.

Change-Id: Ibb59b6d5e3f136400422d6ac2bf92ecd188ebf67
Reviewed-on: http://review.couchbase.org/34127
Reviewed-by: Michael Wiederhold <mike@couchbase.com>
Tested-by: Michael Wiederhold <mike@couchbase.com>