code: function attached(context) {
  	if (DEBUG_DISPATCHER) log.info('ATTACHED: ' + ((!!context.dispatcher) ? 'yes' : 'no'));
  	if (!context) {
  		return false;
  	}
  	return !!context.dispatcher;
  }
docs: Determines whether or not the dispatcher has been attached to the specified context.
  @param context An object that wants to subscribe to events sent through the dispatcher.
  @returns {boolean} Attached or not.