press - pr: Update release date, per Josh.

Log Message:
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Update release date, per Josh.

Modified Files:
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pr/releases/8.4/tr:
presskit84.html.tr (r1.2 -> r1.3)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/press/pr/releases/8.4/tr/presskit84.html.tr?r1=1.2&r2=1.3)