Mag names, Attachments names, Translation fixes

Vanilla development commit:

af9e009bae

- renamed magazines for better sorting
- renamed attachments for better sorting ([A] prefix added) some fixes,
some strings moved to proper section
- Remington 870 added to new attachment system (weapon flashlight)
- Double-barrel shotgun will now spawns with pellets and has Doubleshot
option (maybe this will make it more popular?)

SQF/dayz_code/Configs/CfgMagazines/Magazines/762x54r.hpp

@@ -1,6 +1,7 @@
 class 100Rnd_762x54_PK : CA_Magazine
 {
 	model = "z\addons\dayz_communityweapons\magazines\pk.p3d";
+	displayName = $STR_DZ_MAG_100RND_762x54_PK_NAME;
 	
 	cartridgeName = "762x54";
 	type = WeaponSlotItem; // Only takes up one gear slot in Epoch
@@ -23,6 +24,8 @@ class 50Rnd_762x54_UK59 : 100Rnd_762x54_PK
 
 class 10Rnd_762x54_SVD : CA_Magazine
 {
+	displayName = $STR_DZ_MAG_10RND_762x54_SVD_NAME;
+	
 	cartridgeName = "762x54";
 	
 	class ItemActions