use_service_proxy: false, /* true, flase */
switch_menu: true, /* true, false: show/hide Records|Targets menu */
lang_menu: true, /* true, false: show/hide language menu */
+ sort_menu: true, /* show/hide perpage menu */
+ perpage_menu: true, /* show/hide language menu */
lang_display: ["en", "de", "da"], /* display languages links for given
languages, [] for all */
facets: ["sources", "subjects", "authors"], /* display facets, in this order, [] for none */