INT-2964 Various JavaDoc Fixes

INT-2964 - JavaDoc: <emphasis> should be <em>

INT-2964 - JavaDoc: <p/> should be <p>

INT-2964 - JavaDoc polishing

* <li></li> should be wrapped in <ul></ul>
* wrap code snippets in {@code myCode()}
* change <code>false</false> to <code>false</code>

INT-2964 - Polish - Fix more JavaDoc errors

* Mockito-all dependency causes JavaDoc error. Change dependency to Mockito-Core.

spring-integration-ftp/src/main/java/org/springframework/integration/ftp/config/FtpNamespaceHandler.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2010 the original author or authors
+ * Copyright 2002-2013 the original author or authors
  *
  *     Licensed under the Apache License, Version 2.0 (the "License");
  *     you may not use this file except in compliance with the License.
@@ -21,7 +21,7 @@ import org.springframework.integration.file.config.RemoteFileOutboundChannelAdap
 
 /**
  * Provides namespace support for using FTP
- * <p/>
+ * <p>
  * This is *heavily* influenced by the good work done by Iwein before.
  *
  * @author Josh Long