Syndicate Gasmask

The Syndicate Assaultmask is now changed to also act as a voice
modulator.
Map Fix 3

Minor things, again.
ERT Duty Uniforms

Actually have sprites now.
Syndicate Jetpack

Awaiting a sprite, but the code exists.
Select Equipment Fix

Fixes, adds.
IPC Face Fix

Red face now has better side-views.