Commits on Apr 13, 2020

1. Finish audio code

   Filip Gawin committed Apr 13, 2020
   3b9f125

2. Update readme

   Filip Gawin committed Apr 13, 2020
   353310f

3. Cleanup cAudioManager::ProcessRainOnVehicle a bit

   Filip Gawin committed Apr 13, 2020
   67055c1