RCBC-50 Allow to read keys from replica
RCBC-50 Allow to read keys from replica

Change-Id: I7577dd23d368b7733b4050cf6c5776d5c9a866fd
Reviewed-on: http://review.couchbase.org/18590
Tested-by: Sergey Avseyev <87f6d5e4fd3644c3c20800cde7fd3ad1569370b3@gmail.com>
Reviewed-by: Chris Anderson <2d93822289c316cb3d36491aa561290e86ec1ac5@couchbase.com>

dewolfe/couchbase-ruby-client,dewolfe/couchbase-ruby-client