Theme system (#2164)

* Themes instead of Styles
* Colors changed to theme colors
* Reworked style management
* Theme settings app
* warn, menu dual set
* Added Aqua style

firmware/application/apps/ui_battinfo.cpp

@@ -46,7 +46,6 @@ void BattinfoView::on_timer() {
 
 void BattinfoView::update_result() {
     if (!battery::BatteryManagement::isDetected()) {
-        // todo show no batt management
         text_percent.set("UNKNOWN");
         text_voltage.set("UNKNOWN");
         text_current.set("-");