Update assembly descriptor and improves significantly the documentation

Fixes an issue in the assembly descriptor that included older
compilation binaries into assemblies.
Improved javadoc documentation in more than 150 classes, including
fixing mistakes.

src/main/java/com/l2jserver/model/Model.java

@@ -20,8 +20,13 @@ import com.l2jserver.model.id.ID;
 import com.l2jserver.service.database.DatabaseService;
 
 /**
- * @author <a href="http://www.rogiel.com">Rogiel</a>
+ * Base model. Each object model must implement this interface to be able to be
+ * inserted into the database.
  * 
+ * @param <T>
+ *            the {@link ID} type used to represent this {@link Model}
+ * 
+ * @author <a href="http://www.rogiel.com">Rogiel</a>
  */
 public interface Model<T extends ID<?>> {
 	/**