Add new pistols

Add new pistols from Robert Hammer.

- 23 new pistols
- New sounds for the M9, M1911, PDW
- New magazine icon and model for M1911
- Full attachment support for different pistols

SQF/dayz_code/Configs/CfgMagazines/Magazines/9x17.hpp

@@ -0,0 +1,17 @@
+class 7Rnd_9x17_PPK : CA_Magazine
+{
+	scope = public;
+	type = 16;
+	displayName = $STR_DZ_MAG_7RND_9x17_PPK_NAME;
+	descriptionShort = $STR_DZ_MAG_7RND_PPK_9x17_DESC;
+	picture = "\RH_de\inv\m_ppk.paa";
+	model = "\RH_de\mags\mag_ppk.p3d";	
+	ammo = "B_9x17_Ball";
+	count = 7;
+	initSpeed = 320;
+	
+	class ItemActions
+	{
+		COMBINE_MAG
+	};
+};