Service exceptions externalized and better logging configuration

Signed-off-by: Rogiel <rogiel@rogiel.com>

src/main/java/com/l2jserver/service/game/spawn/NotSpawnedServiceException.java

@@ -0,0 +1,11 @@
+package com.l2jserver.service.game.spawn;
+
+
+/**
+ * Exception thrown when trying to unspawn an object that is not spawned
+ * 
+ * @author <a href="http://www.rogiel.com">Rogiel</a>
+ */
+public class NotSpawnedServiceException extends SpawnServiceException {
+	private static final long serialVersionUID = 1L;
+}