- Small files fix nothing major

Added L4D1 variants of certain props!

In Left 4 Dead 1 some textures for certain props were different than how they are in L4D2 the update adds

L4D1 variant textures for:
- Cars
- Semi Trailers
- Generators
- Cooler
- Railings from DT Boathouse Finale
- Bathtub
- Military Signs from BH Finale
- Military Crate
- Fire Pipes

- Added Garbage Pile (This is in the game but a model with the same model name conflicts with it so I made a seperate version)
- Added Camera Variant (Found a bit in 3rd chapter of No Mercy)
- Added Office Chair Variants (found with dead body on certain campaigns)
- Added Computer Case & Gib Variants (Found in offices on Campaigns)

- Added Tanker001 reskin (You'd find this variant on the 1st chapter of Death Toll)

- Just added a L4D variant of a Half Life 2 prop