Merged revisions 72173 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/trunk

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  r72173 | gregory.p.smith | 2009-05-01 12:59:52 -0700 (Fri, 01 May 2009) | 5 lines

  Adds the ipaddr module to the standard library.  Issue #3959.
  Based off of subversion r69 from http://code.google.com/p/ipaddr-py/

  This code is 2to3 safe, I'll merge it into py3k later this afternoon.
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