• API Browser: added list_admins endpoint
• API client class: added adopt_device() function/method to adopt a device (access point, switch or router), contributed by nelsencd
• API client class: added delete_site() function/method to delete a site
• API client class: added list_admins() function/method to list the administrators for the current site
• API client class: added led_override() function/method to toggle LED mode for individual devices