pgstatspack - pgstatspack: install pgstatspack on template1 as well

Log Message:
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install pgstatspack on template1 as well

Modified Files:
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pgstatspack:
install_pgstats.sh (r1.5 -> r1.6)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgstatspack/pgstatspack/install_pgstats.sh?r1=1.5&r2=1.6)
remove_pgstats.sh (r1.4 -> r1.5)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgstatspack/pgstatspack/remove_pgstats.sh?r1=1.4&r2=1.5)
upgrade_pgstatspack.sh (r1.7 -> r1.8)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgstatspack/pgstatspack/upgrade_pgstatspack.sh?r1=1.7&r2=1.8)