NCBC-614: Review and reduce verbosity of logging in INFO mode

Change-Id: I3e3290e6e2db7c214f2570d743d1b1452d5c6749
Reviewed-on: http://review.couchbase.org/42682
Reviewed-by: Jeffry Morris <jeffrymorris@gmail.com>
Tested-by: Jeffry Morris <jeffrymorris@gmail.com>