Written javadoc for many classes

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

src/main/java/com/l2jserver/GeneralConfiguration.java

@@ -2,5 +2,10 @@ package com.l2jserver;
 
 import com.l2jserver.service.configuration.Configuration;
 
+/**
+ * General configuration interface
+ * 
+ * @author <a href="http://www.rogiel.com">Rogiel</a>
+ */
 public interface GeneralConfiguration extends Configuration {
 }