Replaces Gorilla Arms model to be a custom made MkII Johnny Silverhand arm

This is for those of you who want to use MkII Silverhand with mantis blades instead of gorilla arms. V 1.0 fixes the floating nails bug

This is the same file just without the elbow spikes :)

This is for those of you who want to use MkII Silverhand with mantis blades instead of gorilla arms.