Merged revisions 88430,88438,88440 via svnmerge from

Merged revisions 88430,88438,88440 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/branches/py3k

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  r88430 | georg.brandl | 2011-02-15 20:48:59 +0100 (Di, 15 Feb 2011) | 1 line

  #730467: Another small AIX fix.
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  r88438 | georg.brandl | 2011-02-19 09:44:47 +0100 (Sa, 19 Feb 2011) | 1 line

  #10709: add back an updated AIX-NOTES (as README.AIX).
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  r88440 | georg.brandl | 2011-02-19 09:58:23 +0100 (Sa, 19 Feb 2011) | 1 line

  #11184: Fix large file support on AIX.
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