Left 4 Dead 2 - Update

An update has been released for Left 4 Dead 2.

- Global: "LocalTime" Fills out a table with the local time
- Player: "IsSuppressingFallingDamage" returns true if falling damage is currently suppressed for the player
- Run optional script "response_testbed_addon.nut" for all active addons
- Don't report addon file collisions for "sound.cache"
- Fixed talker typos
- Minor fixes to RocketDude and Taaaank! Mutations
- Enabled game stats reporting for DLC content
- Removed a legacy vpk loading path that allowed malformed vpks to crash the game.