Use the safe_rmtree method (from the cmdline test suite) of removing old repositories since they now have read-only files which Windows will not delete.
Use the safe_rmtree method (from the cmdline test suite) of removing
old repositories since they now have read-only files which Windows
will not delete.

* subversion/tests/python-libs/exectest.py
   (safe_rmtree, chmod_tree): New methods copied from
   subversion/tests/clients/cmdline/svntest/main.py for safely
   removing file trees.
   (run_tests): Use the new safe_rmtree.

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