--- /dev/null
+ ------
+ Apache Archiva User Manager Implementation
+ ------
+ Olivier Lamy
+ ------
+ 2012-11-24
+ ------
+
+~~ 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.
+
+Apache Archiva User Manager Implementation
+
+ Since 1.4-M4, you can choose to switch User Manager Implementation you are using dynamically.
+
+[../images/user-manager-impl.png]
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