Log Message:-----------docs update for 2.2
Modified Files:-------------- pgstatspack: pgstatspack_README.txt (r1.4 -> r1.5) (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgstatspack/pgstatspack/pgstatspack_README.txt?r1=1.4&r2=1.5)
