def update_admin_page_links
      admin_page_links = []
      Pwb::Link.ordered_visible_admin.each do |link|
        admin_page_links.push link.as_json
      end
      configuration["admin_page_links"] = admin_page_links
      save!
      admin_page_links
    end
def update_admin_page_links
      admin_page_links = []
      Pwb::Link.ordered_visible_admin.each do |link|
        admin_page_links.push link.as_json
      end
      configuration["admin_page_links"] = admin_page_links
      save!
      admin_page_links
    end
TODO: - call this each time a page
 needs to be added or
 deleted from admin
 jan 2018 - currently if a link title is updated
 the admin_page_links cached in configuration
 do not get updated