pginstaller - pginst: Change the user support ml-address of Npgsql.

Log Message:
-----------
Change the user support ml-address of Npgsql.

Modified Files:
--------------
    pginst/lang:
        de_welcome.rtf (r1.8 -> r1.9)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/lang/de_welcome.rtf.diff?r1=1.8&r2=1.9)
        fr_welcome.rtf (r1.6 -> r1.7)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/lang/fr_welcome.rtf.diff?r1=1.6&r2=1.7)
        pt_br_welcome.rtf (r1.8 -> r1.9)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/lang/pt_br_welcome.rtf.diff?r1=1.8&r2=1.9)
        ru_welcome.rtf (r1.8 -> r1.9)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/lang/ru_welcome.rtf.diff?r1=1.8&r2=1.9)
        tr_welcome.rtf (r1.4 -> r1.5)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/lang/tr_welcome.rtf.diff?r1=1.4&r2=1.5)
    pginst/txt:
        welcome.rtf (r1.20 -> r1.21)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/txt/welcome.rtf.diff?r1=1.20&r2=1.21)