Hotfix 0.12a

[h3]Changes:[/h3]

• Improved overall projectile point-defense accuracy
  
• Modified doppler effect values of missile and ship engine sounds to prevent them from triggering a huge change in their pitch.
  

[h3]Fixes:[/h3]

• FIXED Player large ships not playing their secondary engine sound
  
• FIXED Cockpit mouse controller not having a deadzone
  
• FIXED Controller subsystem targeting triggering the action multiple times
  
• FIXED 2 simultaneous music tracks playing during the last wave in the Combat Practice mode
  
• FIXED Combat practice mode wingman not having weapon gimbals enabled