when there is a bare IP address in the "Bypass proxy settings
for these Hosts & Domains" list on MacOSX.

on OSX 10.6, therefore don't use it there either.

This fixes issue8621.

1) The code that checks if an path should be located in the SDK
   explicitly excludes /usr/local. This fixes issue9046

2) The SDK variant for filtering "db_dirs_to_check" in setup.py
   was not doing anything because of a missing assignment.

In 2.5 the email version was bumped to 4.0.2 just before release but
after the maintenance branch was set up.  The bump was not backported
to trunk, and 2.6 went out the door with a version number of 4.0.1.
I bumped this to 4.0.2 because of a behavior change, but that makes
it look the same as 2.5.  So bump it again to 4.0.3.

it is typically used in module initialization function. Thanks Tim
Golden for the patch.

on an OpenSSL structure.

used with signed/unsigned char arguments. For integer arguments, EOF
has to be handled separately.

Of course, whoever used the wrong indentation rules needs to be spanked.

Be generous in abc.py to allow this.

detect proxy settings) had the wrong logic for detecting
if the checkbox 'Exclude simple hostnames' is checked. This
checkin fixes that.

As a result the test failure 'Issue8455' goes away on systems
where the checkbox is not checked.

I'm carefully avoiding saying that is fixes that issue,
test_urllib2_localnet assumes that system proxy settings are
empty (not just on OSX, see Issue8455 for details).

* Don't import 'ic' in webbrowser, that module is no longer used
* Remove 'MacOS' from the list of modules that should emit a Py3kWarning on import.
  This is needed because one of the earlier tests triggers and import of this
  extension, and that causes a failure in test_py3kwarn (running test_py3kwarn
  separately worked fine)

With these changes 'make tests' no longer says that test_py3kwarn fails.