pginstaller - web: Add the translation sentence of contrib/UUID.

Log Message:
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Add the translation sentence of contrib/UUID.

Modified Files:
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web:
en.xml (r1.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/web/en.xml.diff?r1=1.1&r2=1.2)
translation.html (r1.2 -> r1.3)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/web/translation.html.diff?r1=1.2&r2=1.3)