Refactor: Settings JSON should be explicit
Refactor: Settings JSON should be explicit

Change-Id: Id74bb4a8324706eb4f84eb97aac58447141307c9
Reviewed-on: http://review.couchbase.org/87186
Tested-by: Build Bot <80754af91bfb6d1073585b046fe0a474ce868509@couchbase.com>
Reviewed-by: David Haikney <429c6ca43f70a1a1104bd68d6b2835bd23bff953@couchbase.com>

daverigby/kv_engine,daverigby/kv_engine,daverigby/kv_engine,daverigby/kv_engine