Win32 does not support notion of opening a parent dir for fsync. #4283
Disable resource request lists when talking with an older schedd. #4460

Check the schedd version in the submitter ad, and do not use
resource request lists if schedd is older than v8.3.0.
Also do not use request lists if USE_RESOURCE_REQUEST_COUNTS has
been explicitly set to False in the config file.
Merge branch 'V8_3_0-branch' of ssh://ingwe.cs.wisc.edu/p/condor/repository/CONDOR_SRC into V8_3_0-branch