new look for the Purge MEC.

lowered spawn weight of purge sectoids, and lowered max characters per group on various units.

purge sectoids can now show up on psionic storm missions.

Dark fog grenades should now blind enemies when fired from a grenade launcher. Same with napalm grenades. They will still summon lost when fired from a grenade launcher. They still do not summon the lost when thrown.

Nerf gun damage of tier two purge cyborg, and lowered spawn weight when they are a follower (they show up less as followers).

1. Purge Snipers no longer have dragon rounds in the early game.

1. Weakened Tier 2 Purge cyborg.
2. Adjusted spawn weights of all purge units. Some purge units will show up more as followers others will show up more as leaders. Generally lowered various spawn weights.
3. Purge Vanguard/Sniper drop trooper corpses.
4. Purge Cyborgs drop Stun Lancer corpses.

Adjusted spawn weights for various units (some raised some lowered).

Adjusted stats for various units.

Adjusted weapons stats of the advent cyborg.