Added nicer scopes

2x resolution, accurate reticules.

Gun files use more detailed scope names to help with compatibility.
Kar98k Sniper texture change

Scope uses a more solid mount.
Lee Enfield Sniper texture change

Scope rings lightened to 38 38 38 (RGB) instead of black.
Mosin Nagant (Sniper/Normal) texture change

Both: Magazine is extended one pixel forward, stock curve moved up one
pixel.
Sniper: Scope is now side-mounted.
Springfield texture change

Scope is now mounted to the rifle.
Scope made longer and slightly fatter.
Type 38 Sniper texture change

Scope is mounted lower and to the side.