pginstaller - pginst: Pull release notes from the main helpfile Don't

Log Message:
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Pull release notes from the main helpfile
Don't install Npgsql into the GAC

Modified Files:
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pginst/wxs:
pginst.wxs (r1.127 -> r1.128)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/wxs/pginst.wxs.diff?r1=1.127&r2=1.128)