pgbulkload - pgbulkload: - Support encoding conversion (ENCODING =

Log Message:
-----------
- Support encoding conversion (ENCODING = <input encoding>).
- Support check the constraints (CHECK_CONSTRAINTS = YES).

Modified Files:
--------------
    pgbulkload/bin/expected:
        load_bin.out (r1.3 -> r1.4)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/expected/load_bin.out?r1=1.3&r2=1.4)
        load_csv.out (r1.5 -> r1.6)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/expected/load_csv.out?r1=1.5&r2=1.6)
        load_function.out (r1.1 -> r1.2)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/expected/load_function.out?r1=1.1&r2=1.2)
        load_parallel.out (r1.5 -> r1.6)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/expected/load_parallel.out?r1=1.5&r2=1.6)
        load_remote.out (r1.4 -> r1.5)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/expected/load_remote.out?r1=1.4&r2=1.5)
    pgbulkload/include:
        reader.h (r1.8 -> r1.9)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/include/reader.h?r1=1.8&r2=1.9)
    pgbulkload/lib:
        parser_binary.c (r1.6 -> r1.7)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/lib/parser_binary.c?r1=1.6&r2=1.7)
        parser_csv.c (r1.6 -> r1.7)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/lib/parser_csv.c?r1=1.6&r2=1.7)
        parser_function.c (r1.1 -> r1.2)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/lib/parser_function.c?r1=1.1&r2=1.2)
        parser_tuple.c (r1.4 -> r1.5)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/lib/parser_tuple.c?r1=1.4&r2=1.5)
        pg_btree.c (r1.11 -> r1.12)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/lib/pg_btree.c?r1=1.11&r2=1.12)
        reader.c (r1.9 -> r1.10)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/lib/reader.c?r1=1.9&r2=1.10)