pginstaller - pginst: Add a Swedish readme (requires translation by

Log Message:
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Add a Swedish readme (requires translation by Magnus :-) ). Correct the version numbers in some others.

Modified Files:
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    pginst/lang:
        de_welcome.rtf (r1.10 -> r1.11)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/lang/de_welcome.rtf.diff?r1=1.10&r2=1.11)
        fr_welcome.rtf (r1.8 -> r1.9)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/lang/fr_welcome.rtf.diff?r1=1.8&r2=1.9)
        pt_br_welcome.rtf (r1.11 -> r1.12)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/lang/pt_br_welcome.rtf.diff?r1=1.11&r2=1.12)
        ru_welcome.rtf (r1.10 -> r1.11)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/lang/ru_welcome.rtf.diff?r1=1.10&r2=1.11)

Added Files:
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    pginst/lang:
        sv_welcome.rtf (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/lang/sv_welcome.rtf?rev=1.1&content-type=text/x-cvsweb-markup)