pgbulkload - pgbulkload: pg_bulkload 2.4beta2.

Log Message:
-----------
pg_bulkload 2.4beta2.
- Fix pg_bulkload to return bigint.
- Add nbtsort.c files for USE_PGXS.

Modified Files:
--------------
    pgbulkload/lib:
        Makefile (r1.3 -> r1.4)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/lib/Makefile.diff?r1=1.3&r2=1.4)
        pg_bulkload.c (r1.6 -> r1.7)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/lib/pg_bulkload.c.diff?r1=1.6&r2=1.7)
        pg_bulkload.sql.in (r1.3 -> r1.4)
        (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/lib/pg_bulkload.sql.in.diff?r1=1.3&r2=1.4)

Added Files:
-----------
    pgbulkload/lib/nbtree:
        nbtsort-8.2.c (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/lib/nbtree/nbtsort-8.2.c?rev=1.1&content-type=text/x-cvsweb-markup)
        nbtsort-8.3.c (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/lib/nbtree/nbtsort-8.3.c?rev=1.1&content-type=text/x-cvsweb-markup)
        nbtsort-8.4.c (r1.1)

(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pgbulkload/pgbulkload/lib/nbtree/nbtsort-8.4.c?rev=1.1&content-type=text/x-cvsweb-markup)