W3D model fixes

[xezon]

Here we can gather actions items to potentially fix for original game models.

Infantry

• Animations: Some infantry animations stutter on injured walk #1039

Vehicles

• Headlamps not viewable from all sides
• Headlamps not positioned correctly
• Muzzle flash not viewable from all sides
• Muzzle flash not positioned correctly
• Large holes on chassis bottom
• Bad UV mapping (incl. house color texture)
• Treads not moving or moving too fast
• Damaged model missing deformation
• Model parts physically detached from one another
• Visible bones (Quad, Emperor)
• SmokeXX bones in vehicles instead of SmokeSXX

Structures

• Not XY centered
• Missing fire ports
• Visible holes
• Missing rubble, snow, night model variants
• Broken house colors
• Duplicated meshes intersecting with each other
• GLA SCUD Storm structure has no animation that reveals whether or not it is ready #235
• GLA Palace with Fortified Structure upgrade is missing many fireports on back and sides #471