public void start(BundleContext ctx) throws Exception {
loadConfig();
loadLanguage();
providerTracker = new ProviderTracker(ctx, CoverProvider.class.getName(), null);
providerTracker.open();
gui = new CoverGrabberPanel(providerTracker);
providerTracker.setPanel(gui);
configGui = new CoverGrabberConfigPanel(NAME);
registerServices(ctx);
}