Refer to record fields uniformly in auto_failover_logic.

Change-Id: I0fba8b96fb77cc812a4701cbd06121d2115736b5
Reviewed-on: http://review.couchbase.org/32620
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Fix a typo in a comment.

Change-Id: I3a83d7a18eaba68ba3fb9de28edd53a866099f0e
Reviewed-on: http://review.couchbase.org/32621
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
MB-8089 Resurrect per node uuid.

Change-Id: I7380867f1897bc87741d92e3885d9a94b0a7bc78
Reviewed-on: http://review.couchbase.org/32622
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
MB-8089 Pass node name coupled with UUID to auto_failover_logic.

So that the situation when node is removed from the cluster and then
added back between auto_failover ticks can be detected.

Change-Id: I7e57d02502a4bca934f1cb13a25a803a4cd6b348
Reviewed-on: http://review.couchbase.org/32623
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>