fixed germs

• Fixed CTD.
  

Removed unnecesary stuff

• Crashes fixed again, hopefully this time.

• Added alternative horde02 mix from the Turtle Rock's era (found on SFM).
  
• Fixed crashes when a horde is triggered (hopefuly).
  
• Added the 3 mixes of Hordeslayer & Hordedanger missed on Cold Stream (Cold Stream uses the same horde slayer and danger from the L4D1 by default).

• Reworked from the ground.
  
• Moved the L4D2 E3-like soundscript for The Sacrifice to another mod.
  
• Tweaked the germs.
  
• Moved the original big reward sound to another mod.
  
• Now uses other method of installation.
  
• Update localization files.
  
• WORKS ONLINE!!!!

some random fixes

• A placeholder video preview
  
• Probably more bugs
  
• Update localization files
  
• Update description (hide)

• A placeholder video preview
  
• Probably more bugs
  
• Update localization files

• Updated localization files
  
• Fixed sounds not playing (this time for real, but only for singleplayer and local hosts