Fixed bayonet's material

Added:
- Keymod rails
- 6Kh5 bayonet
- Aksion Cobra dovetail mount
- Magpul M-LOK foregrips
Improved:
- All foregrips (fixed lighting)
- All flashlights and tactical modules (fixed lighting)

Added:
- AK-74 base (with non-folding stock)
- AKS-74U base
- Tactica Tula 10000 weaver mount
- Tactica Tula TT01 mount
- Fab Defense VZ58 pistol grip
- NSPU-M scope's eyecup
- GP-34 grenade launcher with VOG-25 grenade

Added:
- AKM (AKMN) bases
- AKMS (AKMSN) bases
- VPO-136, VPO-209 bases
Soon:
- AK-74 base (with non-folding stock)
- AKS-74U

Returned dust cover scopes

Added:
- Zenit B-13 dovetail mount
- Zenit B-10 handguard with B-12 mount (bodygroup in handguard.mdl)
- AK-103 and AK-104 base (7.62x39 mm)
- AKS-74 base (bodygroup in Izhmash AK-74M.mdl)

All materials were improved (added phong exponent textures, reworked bump maps)

Sorry, all bump map textures were uncompressed for best quality... Now full size is about 1 Gb, i'm really sorry for this

All bump map textures were compressed

Scope's material was fixed