pgbulkload - pgbulkload: cleanup profiler codes and add more regression

Log Message:
-----------
cleanup profiler codes and add more regression test patterns.
To enable profiler, use "make USE_PROFILE=1".

Modified Files:
--------------
    pgbulkload/bin:
        pg_bulkload.c (r1.11 -> r1.12)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/pg_bulkload.c?r1=1.11&r2=1.12)
        recovery.c (r1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/recovery.c?r1=1.1&r2=1.2)
    pgbulkload/bin/data:
        csv.ctl (r1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/data/csv.ctl?r1=1.1&r2=1.2)
        data1.csv (r1.2 -> r1.3)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/data/data1.csv?r1=1.2&r2=1.3)
    pgbulkload/bin/expected:
        load_csv.out (r1.2 -> r1.3)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/expected/load_csv.out?r1=1.2&r2=1.3)
        load_parallel.out (r1.1 -> r1.2)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/expected/load_parallel.out?r1=1.1&r2=1.2)
        load_remote.out (r1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/expected/load_remote.out?r1=1.1&r2=1.2)
    pgbulkload/bin/pgut:
        pgut.c (r1.7 -> r1.8)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/pgut/pgut.c?r1=1.7&r2=1.8)
        pgut.h (r1.7 -> r1.8)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/pgut/pgut.h?r1=1.7&r2=1.8)
    pgbulkload/bin/sql:
        load_csv.sql (r1.2 -> r1.3)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/sql/load_csv.sql?r1=1.2&r2=1.3)
        load_parallel.sql (r1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/sql/load_parallel.sql?r1=1.1&r2=1.2)
        load_remote.sql (r1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/sql/load_remote.sql?r1=1.1&r2=1.2)
    pgbulkload/include:
        pg_bulkload.h (r1.8 -> r1.9)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/include/pg_bulkload.h?r1=1.8&r2=1.9)
        pg_profile.h (r1.3 -> r1.4)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/include/pg_profile.h?r1=1.3&r2=1.4)
        reader.h (r1.4 -> r1.5)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/include/reader.h?r1=1.4&r2=1.5)
    pgbulkload/lib:
        Makefile (r1.7 -> r1.8)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/lib/Makefile?r1=1.7&r2=1.8)
        parser_binary.c (r1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/lib/parser_binary.c?r1=1.1&r2=1.2)
        parser_csv.c (r1.2 -> r1.3)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/lib/parser_csv.c?r1=1.2&r2=1.3)
        parser_tuple.c (r1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/lib/parser_tuple.c?r1=1.1&r2=1.2)
        pg_btree.c (r1.9 -> r1.10)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/lib/pg_btree.c?r1=1.9&r2=1.10)
        pg_bulkload.c (r1.12 -> r1.13)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/lib/pg_bulkload.c?r1=1.12&r2=1.13)
        reader.c (r1.5 -> r1.6)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/lib/reader.c?r1=1.5&r2=1.6)
        writer_direct.c (r1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/lib/writer_direct.c?r1=1.1&r2=1.2)