press - pr: Fix broken markup, a couple of typos and set the release

Log Message:
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Fix broken markup, a couple of typos and set the release date.

Modified Files:
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pr/releases/8.1/es:
presskit81.html.es (r1.2 -> r1.3)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/press/pr/releases/8.1/es/presskit81.html.es.diff?r1=1.2&r2=1.3)
release.txt (r1.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/press/pr/releases/8.1/es/release.txt.diff?r1=1.1&r2=1.2)