MB-6287: resolve config conflict deterministically
MB-6287: resolve config conflict deterministically

even if there's no vclock.

We're also logging full vclocks to enable better diagnostics of config
conflicts.

Change-Id: Ie9d6c6d525d2dcee4231cfe5df079405e0dbdb3d
Reviewed-on: http://review.couchbase.org/20067
Tested-by: Aliaksey Kandratsenka <340b8e09ca65cd3fc686427fcfed17e87eaf61e2@gmail.com>
Reviewed-by: Aliaksey Artamonau <3c875bcfb3adf2a65b2ae7686ca921e6c9433147@gmail.com>

daverigby/ns_server,t3rm1n4l/ns_server,ceejatec/ns_server,mschoch/ns_server,t3rm1n4l/ns_server,daverigby/ns_server,membase/ns_server,mschoch/ns_server,mschoch/ns_server,pavel-blagodov/ns_server,daverigby/ns_server,vzasade/ns_server,membase/ns_server,membase/ns_server,ceejatec/ns_server,pavel-blagodov/ns_server,ceejatec/ns_server,daverigby/ns_server,nimishzynga/ns_server,pavel-blagodov/ns_server,nimishzynga/ns_server,membase/ns_server,ceejatec/ns_server,nimishzynga/ns_server,pavel-blagodov/ns_server,membase/ns_server,mschoch/ns_server,mschoch/ns_server,vzasade/ns_server,nimishzynga/ns_server,daverigby/ns_server,mschoch/ns_server,nimishzynga/ns_server,t3rm1n4l/ns_server,nimishzynga/ns_server,membase/ns_server,vzasade/ns_server,ceejatec/ns_server,t3rm1n4l/ns_server,ceejatec/ns_server,t3rm1n4l/ns_server,vzasade/ns_server