stackbuilder - wizard: Use HKEY_CURRENT_USER to store config values to

Log Message:
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Use HKEY_CURRENT_USER to store config values to avoid errors.

Modified Files:
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wizard:
DownloadPage.cpp (r1.9 -> r1.10)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/stackbuilder/wizard/DownloadPage.cpp.diff?r1=1.9&r2=1.10)
ProxyDialog.cpp (r1.1 -> r1.2)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/stackbuilder/wizard/ProxyDialog.cpp.diff?r1=1.1&r2=1.2)