Update for the Google Play Guidelines.

This app has been updated by Apple to display the Apple Watch app icon.

* NEW: Siren can be switched (air or electronic)
* NEW: Image gallery with units of the Fire department Mülheim
* Ranks were restored
* Ranks no longer reset after achieving the final rank "Manager"
* Removed camera flickering during deployment journeys
* Reworked mission task "Disconnect battery"
* Changed engine sounds of WT, LF24 and TL
* Activated blue lights at scenes
* Removed stuck vehicles on country road
* Minor adjustments and corrections
* Added missing languages (Store)