#459 Game won't exit when trying to initialize already initialized data storage.

core/src/cz/nic/tablexia/TablexiaStorage.java

@@ -62,7 +62,7 @@ public class TablexiaStorage {
                 Log.err(TablexiaStorage.class, "Cannot create database connection!", e);
             }
         } else {
-            throw new IllegalStateException("Data storage already initialized!");
+            Log.info(TablexiaStorage.class, "Data storage has already been initialized! Skipping initialization...");
         }
     }