wikipedia - wikipgedia: fix for insert with option IGNORE reverted old

Log Message:
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fix for insert with option IGNORE
reverted old fix for image upload because of side effects and no longer necessary

Modified Files:
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wikipgedia/includes:
DatabasePostgreSQL.php (r1.4 -> r1.5)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/wikipedia/wikipgedia/includes/DatabasePostgreSQL.php.diff?r1=1.4&r2=1.5)
Image.php (r1.4 -> r1.5)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/wikipedia/wikipgedia/includes/Image.php.diff?r1=1.4&r2=1.5)