Fixed a texture glitch when Half-Life 2: Episode 2 is not mounted.

Fixed missing spawnicons

• Added Random Overwatch:
  it will spawn a Combine Soldier, Combine Shotgunner, or Combine Elite.
  
• Added Random Prison + Elite:
  it will spawn a Prison Guard, Prison Shotgunner, or Combine Elite.
  
• Added Random Officer:
  it requires Half-Life SNPCs, and will spawn an ally security officer.
  
• Added Random Neon Combine:
  it requires Neon Combine, and will spawn one of them.
  
• Added Random Police Pack:
  it requires Metropolice Pack, and will spawn one of them.
  
• Added Random Armored Combine:
  it requires Armored Combine Soldier, and will spawn one of them.
  
• Human Grunts are now able to rappel.
  
• Fixed not being able to undo corpses if Keep Corpse is on.
  
• Fixed around rappelling rope.

Fixed an issue that Random Grunts have 0 health after health multiplier update.

Added ConVar: random_combine_manhacks(default: 0)
Amount of Manhacks that Rappel Polices have. Set this to -1 to have randomly.

Fixed an issue that health multiplier in NPC Spawn Platforms v2 doesn't work on Random Combines.

Fixed an issue that Random Combines didn't join their squad.
Fixed an issue that Entity Group Spawner spawns Random Combines with incorrect angles.
Fixed an invisible rope.
SLVBase compatibility has slightly increased.

Added Convars:

• random_combine_healthvial(default: 0.2)
  Percentage of combines that drop a health vial on their death.
  
• random_combine_search_ledge_radius(default: 80)
  Range of searching ledge for rappeling in units.

Added ConVar: random_combine_start_patrolling(1)
Set 1 to start patrolling automatically.