pass always useNewUrlParser options on MongoClient connect()

Author: mpangrazzi

lib/manager.js

@@ -126,6 +126,8 @@ inherits(Manager, EventEmitter)
  * @private
  */
 Manager.prototype.open = function (uri, opts, fn) {
+  opts.useNewUrlParser = true
+
   MongoClient.connect(uri, opts, function (err, client) {
     if (err) {
       this._state = STATE.CLOSED