added couch.bigcouch.neighbors to provider_base/services/couchdb.json
include site_couchdb::bigcouch::add_nodes in site_couchdb/manifests/init.pp
Merge remote-tracking branch 'origin/feature/issue_2658' into develop
update couchdb submodule to get couchdb::bigcouch::add_node and couchdb::bigcouch::query