Fix Authenticator being ignored for DCP connections.
Fix Authenticator being ignored for DCP connections.

Change-Id: I419ce57fdea67d3c8191a511e69e798299b57c08
Reviewed-on: http://review.couchbase.org/74935
Reviewed-by: Mark Nunberg <dab05a0fe859c5cb93882b2a75a0d613501b07be@couchbase.com>
Tested-by: Brett Lawson <c8c4369773d7d7226e031f0c4af62e3f38a08510@gmail.com>

brett19/gocb