Adjusted the brightness of the skybox on subway level

I remade No Mercy's color correction, and skybox.

17's color corrections are way too fucked with gamma, and they don't capture cry of fear's atmosphere, got tired of em.

I got my hands on photoshop, so i'll remake all color corrections as time goes on.

Remade Dead Air.
No Mercy polish.
New textures.

increased death toll's skybox resolution

Re-made No Mercy & Death Toll's skyboxes to better match Cry Of Fear.
Added in a missing exterior texture on Dark Carnival concert finale.

reworked l4d2 textures, further polish.

Huge update for l4d2 campaigns, mainly dark carnival.
Most of the l4d2 campaigns recycle the same textures, so this affects other maps too.
Remade the tunnel of love from scratch with whatever I could come up with in photoshop, not exactly cof textures but fuck it, i like the results. Swamp fever has been affected, most nature textures, changed a few overlay textures.

a tweak

Updating the first level of dark carnival (highway).

Added back the sewer slime texture in no mercy, fixed transparency issues.
Re-adjusted dark carnival skybox.
Minor tweak on death toll.