Lw2 compatability patch #2

Lw2 compatability patch #1

Corrected grimmys loot bug - Avenger should now appear in loot boxes correctly.

Untested LW2 compatability patch - requires testing and confirmation.

Re-scaled stock size and placement
Added mask textures to stock

Added standard menu icons to mag and beam versions.
Corrected missing description on upgrade screen

Removed old icon set and replaced with HD icon

Added new 2d Icons for;
Hair-trigger upgrade
Optics Upgrade
Stock Upgrade

Added 2D UI Icon, its a WiP so dont think its the "final" version.

Corrected issue with T2 and T3 version missing stocks