Merged revisions 69415,69591,69593 via svnmerge from

Merged revisions 69415,69591,69593 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk

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  r69415 | benjamin.peterson | 2009-02-07 13:08:22 -0600 (Sat, 07 Feb 2009) | 1 line

  make destinsrc private
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  r69591 | martin.v.loewis | 2009-02-13 14:26:16 -0600 (Fri, 13 Feb 2009) | 1 line

  Update Tix build procedure.
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  r69593 | martin.v.loewis | 2009-02-13 14:51:48 -0600 (Fri, 13 Feb 2009) | 1 line

  Add optional code signing after merging.
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