Fix to rune_group parsing

src/engine/objects/ItemTemplate.java

@@ -473,8 +473,10 @@ public class ItemTemplate {
                     rune_speed.put(movementType, speed);
                 }
 
-                rune_group_type = ((Long) jsonObject.get("rune_group_type")).intValue();
-                rune_group_is_faction = ((Boolean) jsonObject.get("rune_group_is_faction"));
+                JSONObject rune_group = (JSONObject) jsonObject.get("rune_group");
+
+                rune_group_type = ((Long) rune_group.get("group_type")).intValue();
+                rune_group_is_faction = ((Boolean) rune_group.get("group_is_faction"));
                 rune_group_is_guild = ((Boolean) jsonObject.get("rune_group_is_guild"));
                 rune_dsc = (String) jsonObject.get("rune_dsc");
                 rune_fx_txt = (String) jsonObject.get("rune_fx_txt");