Localization:
  - App can now be translated into other languages
  - Fully translated into English
Network traffic:
  - Only load high resolution tiles on high resolution displays
  - Fixed map tile caching - due to a dependency bug map tiles were not cached in memory leading to unnecessary traffic.
Miscellaneous:
  - Removed map layer switcher and set to public transport layer
  - Fixed wrong tags for platform lifts and ramps
  - Minor bug fixes
  - Minor spelling corrections