Added some missing N&L
diff --git a/jdbm-partition/src/main/java/org/apache/directory/server/core/partition/impl/btree/jdbm/JdbmPartitionWriteTxn.java b/jdbm-partition/src/main/java/org/apache/directory/server/core/partition/impl/btree/jdbm/JdbmPartitionWriteTxn.java
index aa6633a..c731e3c 100644
--- a/jdbm-partition/src/main/java/org/apache/directory/server/core/partition/impl/btree/jdbm/JdbmPartitionWriteTxn.java
+++ b/jdbm-partition/src/main/java/org/apache/directory/server/core/partition/impl/btree/jdbm/JdbmPartitionWriteTxn.java
@@ -1,3 +1,22 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one
+ *  or more contributor license agreements.  See the NOTICE file
+ *  distributed with this work for additional information
+ *  regarding copyright ownership.  The ASF licenses this file
+ *  to you under the Apache License, Version 2.0 (the
+ *  "License"); you may not use this file except in compliance
+ *  with the License.  You may obtain a copy of the License at
+ *  
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *  
+ *  Unless required by applicable law or agreed to in writing,
+ *  software distributed under the License is distributed on an
+ *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ *  KIND, either express or implied.  See the License for the
+ *  specific language governing permissions and limitations
+ *  under the License. 
+ *  
+ */
 package org.apache.directory.server.core.partition.impl.btree.jdbm;
 
 import java.io.IOException;
@@ -8,6 +27,11 @@
 import jdbm.recman.BaseRecordManager;
 import jdbm.recman.CacheRecordManager;
 
+/**
+ * The JDBM partition write transaction
+ *  
+ * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
+ */
 public class JdbmPartitionWriteTxn extends PartitionWriteTxn
 {
     /** The associated record manager */
diff --git a/mavibotv2-partition/src/main/java/org/apache/directory/server/core/partition/impl/btree/mavibot/AbstractMavibotTxn.java b/mavibotv2-partition/src/main/java/org/apache/directory/server/core/partition/impl/btree/mavibot/AbstractMavibotTxn.java
index 71d0639..d9bda8c 100644
--- a/mavibotv2-partition/src/main/java/org/apache/directory/server/core/partition/impl/btree/mavibot/AbstractMavibotTxn.java
+++ b/mavibotv2-partition/src/main/java/org/apache/directory/server/core/partition/impl/btree/mavibot/AbstractMavibotTxn.java
@@ -1,3 +1,22 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one
+ *  or more contributor license agreements.  See the NOTICE file
+ *  distributed with this work for additional information
+ *  regarding copyright ownership.  The ASF licenses this file
+ *  to you under the Apache License, Version 2.0 (the
+ *  "License"); you may not use this file except in compliance
+ *  with the License.  You may obtain a copy of the License at
+ *  
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *  
+ *  Unless required by applicable law or agreed to in writing,
+ *  software distributed under the License is distributed on an
+ *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ *  KIND, either express or implied.  See the License for the
+ *  specific language governing permissions and limitations
+ *  under the License. 
+ *  
+ */
 package org.apache.directory.server.core.partition.impl.btree.mavibot;
 
 import java.io.IOException;
@@ -9,6 +28,11 @@
 import org.apache.directory.mavibot.btree.RecordManagerHeader;
 import org.apache.directory.mavibot.btree.Transaction;
 
+/**
+ * The Mavibot transaction abstract class
+ *  
+ * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
+ */
 public abstract class AbstractMavibotTxn implements MavibotTxn
 {
     protected Transaction transaction;
diff --git a/mavibotv2-partition/src/main/java/org/apache/directory/server/core/partition/impl/btree/mavibot/MavibotReadTxn.java b/mavibotv2-partition/src/main/java/org/apache/directory/server/core/partition/impl/btree/mavibot/MavibotReadTxn.java
index 764cfa0..2b6afc3 100644
--- a/mavibotv2-partition/src/main/java/org/apache/directory/server/core/partition/impl/btree/mavibot/MavibotReadTxn.java
+++ b/mavibotv2-partition/src/main/java/org/apache/directory/server/core/partition/impl/btree/mavibot/MavibotReadTxn.java
@@ -1,7 +1,31 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one
+ *  or more contributor license agreements.  See the NOTICE file
+ *  distributed with this work for additional information
+ *  regarding copyright ownership.  The ASF licenses this file
+ *  to you under the Apache License, Version 2.0 (the
+ *  "License"); you may not use this file except in compliance
+ *  with the License.  You may obtain a copy of the License at
+ *  
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *  
+ *  Unless required by applicable law or agreed to in writing,
+ *  software distributed under the License is distributed on an
+ *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ *  KIND, either express or implied.  See the License for the
+ *  specific language governing permissions and limitations
+ *  under the License. 
+ *  
+ */
 package org.apache.directory.server.core.partition.impl.btree.mavibot;
 
 import org.apache.directory.mavibot.btree.Transaction;
 
+/**
+ * The Mavibot partition read transaction
+ *  
+ * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
+ */
 public class MavibotReadTxn extends AbstractMavibotTxn
 {
     public MavibotReadTxn( Transaction transaction )
diff --git a/mavibotv2-partition/src/main/java/org/apache/directory/server/core/partition/impl/btree/mavibot/MavibotTxn.java b/mavibotv2-partition/src/main/java/org/apache/directory/server/core/partition/impl/btree/mavibot/MavibotTxn.java
index 5205040..5e153bf 100644
--- a/mavibotv2-partition/src/main/java/org/apache/directory/server/core/partition/impl/btree/mavibot/MavibotTxn.java
+++ b/mavibotv2-partition/src/main/java/org/apache/directory/server/core/partition/impl/btree/mavibot/MavibotTxn.java
@@ -1,8 +1,32 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one
+ *  or more contributor license agreements.  See the NOTICE file
+ *  distributed with this work for additional information
+ *  regarding copyright ownership.  The ASF licenses this file
+ *  to you under the Apache License, Version 2.0 (the
+ *  "License"); you may not use this file except in compliance
+ *  with the License.  You may obtain a copy of the License at
+ *  
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *  
+ *  Unless required by applicable law or agreed to in writing,
+ *  software distributed under the License is distributed on an
+ *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ *  KIND, either express or implied.  See the License for the
+ *  specific language governing permissions and limitations
+ *  under the License. 
+ *  
+ */
 package org.apache.directory.server.core.partition.impl.btree.mavibot;
 
 import org.apache.directory.mavibot.btree.Transaction;
 import org.apache.directory.server.core.api.partition.PartitionTxn;
 
+/**
+ * The Mavibot partition transaction interface
+ *  
+ * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
+ */
 public interface MavibotTxn extends PartitionTxn, Transaction
 {
     Transaction getTransaction();
diff --git a/mavibotv2-partition/src/main/java/org/apache/directory/server/core/partition/impl/btree/mavibot/MavibotWriteTxn.java b/mavibotv2-partition/src/main/java/org/apache/directory/server/core/partition/impl/btree/mavibot/MavibotWriteTxn.java
index bc13160..70e63ba 100644
--- a/mavibotv2-partition/src/main/java/org/apache/directory/server/core/partition/impl/btree/mavibot/MavibotWriteTxn.java
+++ b/mavibotv2-partition/src/main/java/org/apache/directory/server/core/partition/impl/btree/mavibot/MavibotWriteTxn.java
@@ -1,8 +1,32 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one
+ *  or more contributor license agreements.  See the NOTICE file
+ *  distributed with this work for additional information
+ *  regarding copyright ownership.  The ASF licenses this file
+ *  to you under the Apache License, Version 2.0 (the
+ *  "License"); you may not use this file except in compliance
+ *  with the License.  You may obtain a copy of the License at
+ *  
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *  
+ *  Unless required by applicable law or agreed to in writing,
+ *  software distributed under the License is distributed on an
+ *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ *  KIND, either express or implied.  See the License for the
+ *  specific language governing permissions and limitations
+ *  under the License. 
+ *  
+ */
 package org.apache.directory.server.core.partition.impl.btree.mavibot;
 
 import org.apache.directory.mavibot.btree.Transaction;
 import org.apache.directory.mavibot.btree.WriteTransaction;
 
+/**
+ * The Maviot partition write transaction
+ *  
+ * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
+ */
 public class MavibotWriteTxn extends AbstractMavibotTxn
 {
     public MavibotWriteTxn( Transaction transaction )