Fixed colors of class icons

• 'Distraction' has higher hit chance but is not available against the Lost, zombies or shadowbind
  
• 'Shot in the leg' ability is fixed and no longer available against gatekeeper and spectre
  
• reduced saturation of class icons and GTS abilities
  
• minor config changes

• Sharpshooters 'Rapid Targeting' ablity fixed, should be displayed correctly now
  
• Hunter's snapshot now counts as headshot when killing the lost
  
• Missing English localizaton fixed
  
• Infiltator now has slightly increased basic mobility
  
• 'Shot in the leg' is no longer available against closed Gatekeepers

• added a missing file to include GTS abilities
  
• fixed some ability tags