Patch #602345 by Neal Norwitz and me: add -B option and PYTHONDONTWRITEBYTECODE envvar to skip writing bytecode.

for TIPC under Linux, see http://tipc.sf.net/ for more information.
Thanks to Alberto Bertogli for the patch

Updated docs for basicConfig to indicate it's a no-op if handlers have been defined for the root logger.

ABCs.

Reported by Jesse Towner.

they aren't returned from os.listdir anymore.
Reported by Michael Haggerty.