pgbulkload - pgbulkload: Add regression test.

Log Message:
-----------
Add regression test.
- ENCODING option
- CHECK_CONSTRAINTS option
- FILTER option

Modified Files:
--------------
pgbulkload/bin:
Makefile (r1.10 -> r1.11)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/Makefile?r1=1.10&r2=1.11)
recovery.c (r1.5 -> r1.6)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/recovery.c?r1=1.5&r2=1.6)
pgbulkload/bin/expected:
init.out (r1.4 -> r1.5)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/expected/init.out?r1=1.4&r2=1.5)
pgbulkload/bin/sql:
init.sql (r1.4 -> r1.5)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/sql/init.sql?r1=1.4&r2=1.5)
pgbulkload/include:
pg_bulkload.h (r1.16 -> r1.17)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/include/pg_bulkload.h?r1=1.16&r2=1.17)
pgbulkload/lib:
writer_parallel.c (r1.9 -> r1.10)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/lib/writer_parallel.c?r1=1.9&r2=1.10)

Added Files:
-----------
pgbulkload/bin/data:
csv4.ctl (r1.1)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/data/csv4.ctl?rev=1.1&content-type=text/x-cvsweb-markup)
csv5.ctl (r1.1)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/data/csv5.ctl?rev=1.1&content-type=text/x-cvsweb-markup)
data4.csv (r1.1)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/data/data4.csv?rev=1.1&content-type=text/x-cvsweb-markup)
data5.csv (r1.1)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/data/data5.csv?rev=1.1&content-type=text/x-cvsweb-markup)
data6.csv (r1.1)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/data/data6.csv?rev=1.1&content-type=text/x-cvsweb-markup)
data7.csv (r1.1)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/data/data7.csv?rev=1.1&content-type=text/x-cvsweb-markup)
pgbulkload/bin/expected:
load_check.out (r1.1)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/expected/load_check.out?rev=1.1&content-type=text/x-cvsweb-markup)
load_encoding.out (r1.1)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/expected/load_encoding.out?rev=1.1&content-type=text/x-cvsweb-markup)
load_filter-8.3.out (r1.1)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/expected/load_filter-8.3.out?rev=1.1&content-type=text/x-cvsweb-markup)
load_filter-8.4.out (r1.1)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/expected/load_filter-8.4.out?rev=1.1&content-type=text/x-cvsweb-markup)
load_filter-9.0.out (r1.1)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/expected/load_filter-9.0.out?rev=1.1&content-type=text/x-cvsweb-markup)
load_function-8.3.out (r1.1)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/expected/load_function-8.3.out?rev=1.1&content-type=text/x-cvsweb-markup)
load_function-8.4.out (r1.1)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/expected/load_function-8.4.out?rev=1.1&content-type=text/x-cvsweb-markup)
load_function-9.0.out (r1.1)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/expected/load_function-9.0.out?rev=1.1&content-type=text/x-cvsweb-markup)
pgbulkload/bin/sql:
load_check.sql (r1.1)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/sql/load_check.sql?rev=1.1&content-type=text/x-cvsweb-markup)
load_encoding.sql (r1.1)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/sql/load_encoding.sql?rev=1.1&content-type=text/x-cvsweb-markup)
load_filter-8.3.sql (r1.1)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/sql/load_filter-8.3.sql?rev=1.1&content-type=text/x-cvsweb-markup)
load_filter-8.4.sql (r1.1)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/sql/load_filter-8.4.sql?rev=1.1&content-type=text/x-cvsweb-markup)
load_filter-9.0.sql (r1.1)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/sql/load_filter-9.0.sql?rev=1.1&content-type=text/x-cvsweb-markup)
load_function-8.3.sql (r1.1)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/sql/load_function-8.3.sql?rev=1.1&content-type=text/x-cvsweb-markup)
load_function-8.4.sql (r1.1)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/sql/load_function-8.4.sql?rev=1.1&content-type=text/x-cvsweb-markup)
load_function-9.0.sql (r1.1)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/sql/load_function-9.0.sql?rev=1.1&content-type=text/x-cvsweb-markup)

Removed Files:
-------------
pgbulkload/bin/expected:
load_function.out
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/expected/load_function.out)
pgbulkload/bin/sql:
load_function.sql
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/bin/sql/load_function.sql)