Fixed name of StockAsset and inserted Sockasset to example

src/opensesim/resources/files/example.json

@@ -2,9 +2,9 @@
     "version": 0.2,
     "assets": [
         {
-            "type": "opensesim.sesim.assets.FurtureAsset",
+            "type": "opensesim.sesim.assets.StockAsset",
             "symbol": "MSFT",
-            "name": "Hello"
+            "name": "Microsoft"
         }
     ]
 }

src/opensesim/sesim/assets/StockAsset.java

@@ -34,9 +34,9 @@ import org.json.JSONObject;
  *
  * @author 7u83 <7u83@mail.ru>
  */
-public class StockAssett extends AbstractAsset{
+public class StockAsset extends AbstractAsset{
 
-    public StockAssett(GodWorld world, JSONObject cfg) {
+    public StockAsset(GodWorld world, JSONObject cfg) {
         super(world, cfg);
     }