Log Message:-----------fix metadata queries to match the RTM release
Modified Files:-------------- Npgsql2/src/Npgsql: NpgsqlSchema.ssdl (r1.5 -> r1.6) (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/npgsql/Npgsql2/src/Npgsql/NpgsqlSchema.ssdl.diff?r1=1.5&r2=1.6)
