Cleanup of helmets folder.
Merged all the old helmets files including meshes, textures and actors to another sub folder called "old"
Added a better visual rome gallic helmet as replacement of the one i've did before.
Replaced thracian helmet on spartan pikeman.
Replaced pers neckguard with one animated working like a cape.
Added the new persian conical helmet.
Added another pilos helmet for the persian cavalry.
Added another crest for the persian pilos helmet.