code: function AssociationManager(options) {
    var self = this;
  
    self.associationsRootUrl = options.associationsRootUrl ||
                               SNIFFYPEDIA_ROOT_URL;
    var datafolder = options.persistentDataFolder || DEFAULT_DATA_FOLDER;
    var filename = ASSOCIATION_DB;
    if(options.persistentDataFolder !== '') {
      filename = datafolder.concat('/' + filename);
    }
  
    self.db = new nedb({ filename: filename, autoload: true });
    self.db.insert(TEST_TRANSMITTER);
    self.db.insert(TEST_RECEIVER_0);
    self.db.insert(TEST_RECEIVER_1);
    self.db.insert(TEST_RECEIVER_2);
    self.db.insert(TEST_RECEIVER_3);
  }
docs: AssociationManager Class
  Manages the association of identifiers with URLs
  @param {Object} options The options as a JSON object.
  @constructor