Renamed the SocketServer module to 'socketserver'.

Renamed the SocketServer module to 'socketserver'.
Merged revisions 63132 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

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  r63132 | alexandre.vassalotti | 2008-05-11 22:11:22 -0400 (Sun, 11 May 2008) | 4 lines

  Updated all import statements to use the new socketserver module name.
  Renamed socketserver module in its own documentation.
  Renamed documentation references.
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