Support SERVER_MINOR_VERSION and HTTP_LIBRARY settings for parallel-mode test suite executions.
Support SERVER_MINOR_VERSION and HTTP_LIBRARY settings for
parallel-mode test suite executions.

* subversion/tests/cmdline/svntest/main.py
  (TestSpawningThread.run_one): Pass http_library and
   server_minor_version variables through to spawned tests.

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