BM Helmets - GRS NVG Comp

BM Helmets GRS NVG Compatibility Mod

I have added support to all my helmets, and disabled their NV Systems and Attachment Framework Support. Removed the ability to use the attachment framework lasers on weapons to avoid confusion with incompatible items. Also added the GRS NVGs to the Headstrap from NV Systems.

Overall everything should be pretty much set to use GRS NVG items only.