* build/run_tests.py   (_run_prog): Remove all the custom stdout/stderr redirect handling, in favor     of the subprocess module's built-in facilities.
* build/run_tests.py
  (_run_prog): Remove all the custom stdout/stderr redirect handling, in favor
    of the subprocess module's built-in facilities.

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