Add harvestable plants and compost barrels

- Add 8 harvestable plants with proper output - Server Admins can add them to the game
- Add 2 Compost barrels - an empty and a full version
- Re-work of player_harvestPlant to fix a few bugs when different types of harvestable plants are near
- Add harvestable plant output config

SQF/dayz_code/Configs/CfgArma.hpp

@@ -543,6 +543,31 @@ class CfgSurvival {
 			yield = 2;
 			rawfoodtype = "FoodrabbitRaw";
 		};
-
+	};
+	class Plants {
+		class Plant_Pumpkin_DZE {
+			qty = 4;
+		};
+		class Plant_Sunflower_DZE {
+			qty = 3;
+		};
+		class Plant_Potato_DZE {
+			qty = 7;
+		};
+		class Plant_Carrot_DZE {
+			qty = 7;
+		};
+		class Plant_Hemp_DZE {
+			qty = 2;
+		};
+		class Plant_Tea_DZE {
+			qty = 3;
+		};
+		class Plant_Tobacco_DZE {
+			qty = 2;
+		};
+		class Plant_Garlic_DZE {
+			qty = 7;
+		};		
 	};
 };