Sound pack for all trucks v2

Version 2:
Improved some volumes, added the new MB Actros and also a new Sound for Scania V8 Engines with open pipes. The V8 sound is only valid for SCS Scania R + Streamline.

- Realistic indiviual blinker sounds
- Scania V8 sound based on kriechbaum's mod with various edits from me
- Some new environmental and mover sounds
- Lowered volume of ferry and train sounds
- Raised volume and tweaked cabin sounds

Update 27.12.2015: Full adaption to Patch 1.22 including Stick Sounds + Correction of missing files.