Update svn and add svnadmin completion.
Update svn and add svnadmin completion.

* tools/client-side/bash_completion
  (_svn): Change --ignore-ancestry to --notice-ancestry.
  (_svnadmin): New.

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