Merged revisions 78736,78759,78761,78767,78788-78789 via svnmerge from

Merged revisions 78736,78759,78761,78767,78788-78789 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

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  r78736 | florent.xicluna | 2010-03-06 20:43:41 +0100 (sam, 06 mar 2010) | 2 lines

  Skip test_send_signal, test_kill, test_terminate on win32 platforms, for 2.7a4 release.
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  r78759 | florent.xicluna | 2010-03-07 13:21:36 +0100 (dim, 07 mar 2010) | 2 lines

  #2777: Enable test_send_signal, test_terminate and test_kill on win32 platforms.
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  r78761 | florent.xicluna | 2010-03-07 16:27:39 +0100 (dim, 07 mar 2010) | 4 lines

  Do not fail if returncode is 0 on send_signal/kill/terminate, for win32 platforms.
  Do not hide the KeyboardInterrupt on POSIX platforms.
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  r78767 | florent.xicluna | 2010-03-07 18:12:23 +0100 (dim, 07 mar 2010) | 2 lines

  #2777: Try hard to make Win7 buildbot happy...
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  r78788 | florent.xicluna | 2010-03-08 11:58:12 +0100 (lun, 08 mar 2010) | 2 lines

  Fix syntax: "rc != None" -> "rc is not None"
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  r78789 | florent.xicluna | 2010-03-08 11:59:33 +0100 (lun, 08 mar 2010) | 2 lines

  Replace the stderr logging with assertNotEqual(returncode, 0).
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