fix enable_cluster_http for admin-party clusters
fix enable_cluster_http for admin-party clusters

PR: #7
PR-URL: https://github.com/apache/couchdb-setup/pull/7
Reviewed-By: Robert Newson <6be1d2eb1da4ad201ef1d6e1cff61f9bfb8675fe@apache.org>

apache/couchdb-setup,cloudant/couchdb-setup