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.
Merge pull request #786 from ghillert/INT-2964
INT-2992 - Upgrade Derby Test Dependencies

* Upgrade Derby test dependencies to 10.9.1.0
* Due to test-failures switch from using the embedded-database namespace support for Derby to explicitly configured DataSource beans (DriverManagerDataSource)

For more details see: https://jira.springsource.org/browse/INT-2992
Merge pull request #787 from ghillert/INT-2992
INT-2981 - Add Rename (mv) to (S)FTP Gateway

* (S)FTP Change Commands, Options to Enums
* INT-2981 Add Support For 'mv' To File/Remote/GW
* INT-2981 (S)FTP Namespace Support and Docs
* INT-2981 Create Remote Dirs if Needed
* INT-2981 Add 'mv' Command to What's New
* INT-2981 Polishing - PR Comments
* Add javadocs to enums.
* Polish schemas to use an enumerated type for available gateway commands
Merge pull request #779 from garyrussell/INT-2981

* garyrussell-INT-2981:
  INT-2981 - Add Rename (mv) to (S)FTP Gateway