(function init() {
     console.debug("Initiating mediaControlsService");
     messaging.addListenerFor(messaging.action.CONTROL_VOLUME_INFO, onMediaInfo);
 }());
 (function init() {
     console.debug("Initiating mediaInfoService");
     messaging.addListenerFor(messaging.action.MEDIA_INFO, onMediaInfo);
 }());
 (function init() {
     console.debug("Initiating deviceService");
     messaging.addListenerFor(messaging.action.DEVICES, onDevices);
     // The device service might be loaded and initialized *after* device broadcast
     messaging.sendMessage(messaging.action.REQUEST_DEVICES, onDevices);
 }());