changed pictures in the mod description and in the Q menu (again)

Fix RPG

Update!
added new weapons:
1)AK-47
2)AUG A1
3)G36C
4)K2
5)L85A1
6)M14
7)RPK

Fix - the wrong world model for the SG550
AA12 has been deleted
Rebalanced damage and penetration of a double-barrel shotgun (can still be changed)

added new weapons and tried to make a custom shot sound for some weapons (G36, G3, SV98, SVD, ASVAL)
added:
1) double barrel shotgun
2) Saiga-12k
3)R-870
4)AA-12
5)SPAS-12
6)AK-74U
7)M4A1
8)M16A3
9)SG550
10)K1A
11)M72 LAW

added new weapon
-K7
-PP19 Bizon