couchdb pull request: fixed some miss communication about _replicator

Github user BigBlueHat closed the pull request at: https://github.com/apache/couchdb/pull/108

couchdb pull request: fixed some miss communication about _replicator

GitHub user BigBlueHat opened a pull request: https://github.com/apache/couchdb/pull/108 fixed some miss communication about _replicator Was saying to `PUT` to `_replicator` directly. Which throws a "database exists" or similar error. Also tweaked intro copy to be cleare