message: Fix events on erizoList
diff: @@ -28,7 +28,7 @@ class ErizoList extends EventEmitter {
  }
  onErizoReceived(position, callback) {
  - this.on(this.getInternalPosition(position), callback);
  + this.once(this.getInternalPosition(position), callback);
  }
  getInternalPosition(position) {
  @@ -71,7 +71,7 @@ class ErizoList extends EventEmitter {
  erizo.erizoId = erizoId;
  erizo.agentId = agentId;
  erizo.erizoIdForAgent = erizoIdForAgent;
  - this.emit(position, erizo);
  + this.emit(this.getInternalPosition(position), erizo);
  }
  }
  