Adding many new weapons (#1743)

* Update stringtable.xml

Adding string support for AA12 ammo

* Update Rifles.hpp

Adding a few missing weapons.

* Update LMG.hpp

Adding one new LMG

* Update ShotgunAmmo.hpp

Adding AA12 ammo

* Update BanditAmmunition.hpp

Adding SCAR ammo

* Update BanditWeapons.hpp

Adding Mk17 Sniper and M110 NVG.

* Update FriendlyAssaultRifle.hpp

Adding Mk16 and L85 variations.

* Update FriendlyLightMachineGun.hpp

Adding L86A2 LSW

* Update NeutralBlackMarketAmmo.hpp

Adding new ammo AA12 and Mk17

* Update NeutralBlackMarketWeapons.hpp

Adding AA12 Shotgun and Mk17 variants.

* Update Weapons.hpp

Adding many new weapons.

* Update Ammo.hpp

Adding new AA12, Mk17 ammo to loot.

* Update AmmoBox.hpp

Adding SCAR ammo to eu2 box.

* Update Shotgun.hpp

Adding re-combine action for new AA12 ammo

* Update NeutralHelicopterUnarmed.hpp

Adding UH60M_MEV_EP1 to trader.

* Update NeutralBlackMarketAmmo.hpp

Removing AA12 HE

* Update Ammo.hpp

Comment out AA12 HE ammo

* Update Weapons.hpp

Lowering DMR spawnrate

SQF/dayz_code/external/R3F_Realism/R3F_Weight/Magazines/ShotgunAmmo.hpp

@@ -78,4 +78,16 @@ class 8Rnd_B_Saiga12_Pellets
 class 15Rnd_W1866_Slug
 {
 	weight = 0.5;
-};
+};
+class 20Rnd_B_AA12_Pellets
+{
+	weight = 1.2;
+};
+class 20Rnd_B_AA12_74Slug
+{
+	weight = 1.2;
+};
+class 20Rnd_B_AA12_HE
+{
+	weight = 1.5;
+};