All models made by @Helion4
This adds a gate frame, a gate with door and a locked gate as wood and cinder version. Fully compatible with door management and change code.
Also, this commit cleans up the modular and door configs.
Epoch has its own DayZ Mod fence versions now. The old fences can still be used. The new fences have a full upgrade and snap support. all gates work with the door management too.