Обсуждение: pginstaller - pginst: Add support for installation on Vista.

Log Message:
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Add support for installation on Vista.
Remove admin user checks.
Prevent installation on < Win2K

Modified Files:
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    pginst:
        README (r1.19 -> r1.20)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/README.diff?r1=1.19&r2=1.20)
    pginst/ca:
        pginstca.c (r1.105 -> r1.106)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/ca/pginstca.c.diff?r1=1.105&r2=1.106)
        user.c (r1.20 -> r1.21)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/ca/user.c.diff?r1=1.20&r2=1.21)
    pginst/wrapper:
        wrapper.wxs (r1.6 -> r1.7)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/wrapper/wrapper.wxs.diff?r1=1.6&r2=1.7)
    pginst/wxs:
        pginst.wxs (r1.187 -> r1.188)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/wxs/pginst.wxs.diff?r1=1.187&r2=1.188)