* redo high fps fix
* make releasing vehicle sounds attach to entities
* fix bug with reusing audio entity that is still being used
* use time scale to modify sound speed
* renamed tSound fields, added descriptions for each field
* getting rid of term 'intensity' in favour of 'max distance'
* renamed two cAudioManager fields
* fix volume not being reduced for stopping sounds that are looped
* reverse a few PS2 bits