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)