// http://support.advancedcustomfields.com/forums/topic/change-menu-position-of-options-page/
acf_add_options_page( array(
'page_title' => 'Home Page Sliders',
'menu_title' => 'Sliders',
'menu_slug' => 'home-page-sliders',
'capability' => 'edit_posts',
'icon_url' => 'dashicons-images-alt2',
'position' => 7
) );