Add new units: Rifleman (AT), Ammobearer (Rifle/AT/AA/AR/MMG), Missile Specialist (AT), Missile Specialist (AA), Engineer
Remove reference to C97A3 optic (doesn't work anyway).
Modify some unit names to match equivalent vanilla classes.
Add source PNG folder to ignored list.
Remove unecessary '_generalMacro' definitions
Tweak color balance of TW CADPAT to more closely match RL appearance when veiwed in-game.