Add svn-backup-dumps.py, a tool to make various kinds of svn dumps.
Add svn-backup-dumps.py, a tool to make various kinds of svn dumps.

* tools/server-side/svn-backup-dumps.py: New file.

Approved by: kfogel

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion