code: public FastAdapterDialog<Item> withNeutralButton(String text, OnClickListener listener) {
          return withButton(BUTTON_NEUTRAL, text, listener);
      }
docs: Set a listener to be invoked when the neutral button of the dialog is pressed.
  
  @param text     The text to display in the neutral button
  @param listener The {@link DialogInterface.OnClickListener} to use.
  @return This Builder object to allow for chaining of calls to set methods