press - pr: Another bunch of small wording improvements

Log Message:
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Another bunch of small wording improvements

Modified Files:
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pr/releases/8.3/ru:
presskit83.html.ru (r1.4 -> r1.5)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/press/pr/releases/8.3/ru/presskit83.html.ru.diff?r1=1.4&r2=1.5)
release.txt (r1.6 -> r1.7)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/press/pr/releases/8.3/ru/release.txt.diff?r1=1.6&r2=1.7)