rage - on stop if there is no browser mode, then quit

there is no point hanging about stopped unless we have a browser, so
quit

src/bin/key.c

@@ -115,6 +115,7 @@ key_handle(Evas_Object *win, Evas_Event_Key_Down *ev)
         elm_layout_signal_emit(inf->lay, "action,stop", "rage");
         elm_layout_signal_emit(inf->lay, "state,default", "rage");
         if (inf->browse_mode) browser_show(win);
+        else evas_object_del(win);
      }
    else if (!strcmp(ev->keyname, "c"))
      {