Hotfix 1.0.99a

Added separate smoke grenades visual effect for Warsaw Pact units to better represent the way 3D6 smoke grenades look
Fixed issues with an idle animation on some soldier models
Fixed Polish engineers using AK-74
Fixed West German transport truck description
Fixed Chapparal missile placement
Adjusted mechanized platoons mode change duration so that loading/unloading looks slightly more natural
Added BMD-2K platoon tooltip thumbnail