More work on tag and branch creation: Grow another tree.
More work on tag and branch creation: Grow another tree.

* tools/cvs2svn/cvs2svn.py
  (SymbolicNameTracker.probe_path): New method, for debugging.
  (SymbolicNameTracker.track_names): Store the tag and branch paths in
    a tree-y fashion, instead of as a flat table.

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