Combine Insurrection Demo V0.002a Installer

Combine Insurrection will take place instead of the Episodic content. Instead of getting saved by the Vortigaunts, Gordon stays with Gman, and only Alyx is able to be rescued by the vortigaunts.
Here's the installer for the demo. I fixed a few of those issues i reported earlier, the game will now end itself at the end of the catacombs level, also fixed the incorrect lighting in the catacombs. All the other small issues are still in t