pgstatsinfo - pg_statsinfo: Allow syslog and eventlog for

Log Message:
-----------
Allow syslog and eventlog for log_destination.
Use LEFT JOIN instead of normal joins in case of missing statistics.

Modified Files:
--------------
    pg_statsinfo/bin:
        collector.c (r1.13 -> r1.14)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgstatsinfo/pg_statsinfo/bin/collector.c?r1=1.13&r2=1.14)
        collector_sql.h (r1.7 -> r1.8)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgstatsinfo/pg_statsinfo/bin/collector_sql.h?r1=1.7&r2=1.8)
        pg_statsinfo.c (r1.13 -> r1.14)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgstatsinfo/pg_statsinfo/bin/pg_statsinfo.c?r1=1.13&r2=1.14)
        snapshot.c (r1.12 -> r1.13)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgstatsinfo/pg_statsinfo/bin/snapshot.c?r1=1.12&r2=1.13)
        writer.c (r1.12 -> r1.13)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgstatsinfo/pg_statsinfo/bin/writer.c?r1=1.12&r2=1.13)
    pg_statsinfo/doc:
        pg_statsinfo-ja.html (r1.4 -> r1.5)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgstatsinfo/pg_statsinfo/doc/pg_statsinfo-ja.html?r1=1.4&r2=1.5)
        pg_statsinfo.html (r1.2 -> r1.3)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgstatsinfo/pg_statsinfo/doc/pg_statsinfo.html?r1=1.2&r2=1.3)
    pg_statsinfo/lib:
        libstatsinfo.c (r1.14 -> r1.15)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgstatsinfo/pg_statsinfo/lib/libstatsinfo.c?r1=1.14&r2=1.15)