Add support for Title module field

Splitting Title module support out from [#1536944]. Basically it consists of something like the following added to fieldable_panel_panes_entity_info():

      // Add title replacement support for translations.
      'field replacement' => array(
        'title' => array(
          'field' => array(
            'type' => 'text',
            'cardinality' => 1,
            'translatable' => TRUE,
          ),
          'instance' => array(
            'label' => t('Title'),
            'required' => TRUE,
            'settings' => array(
              'text_processing' => 0,
            ),
            'widget' => array(
              'weight' => -5,
            ),
          ),
        ),
      ),