pgsql: Add psql option: -1 or --single-transaction Simon Riggs

Log Message:
-----------
Add psql option:

    -1 or --single-transaction

Simon Riggs

Modified Files:
--------------
    pgsql/doc/src/sgml/ref:
        pg_restore.sgml (r1.56 -> r1.57)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/pg_restore.sgml.diff?r1=1.56&r2=1.57)
        psql-ref.sgml (r1.158 -> r1.159)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/psql-ref.sgml.diff?r1=1.158&r2=1.159)
    pgsql/src/bin/pg_dump:
        pg_backup.h (r1.37 -> r1.38)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/pg_dump/pg_backup.h.diff?r1=1.37&r2=1.38)
        pg_backup_archiver.c (r1.121 -> r1.122)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/pg_dump/pg_backup_archiver.c.diff?r1=1.121&r2=1.122)
        pg_restore.c (r1.73 -> r1.74)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/pg_dump/pg_restore.c.diff?r1=1.73&r2=1.74)
    pgsql/src/bin/psql:
        command.c (r1.160 -> r1.161)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/psql/command.c.diff?r1=1.160&r2=1.161)
        command.h (r1.23 -> r1.24)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/psql/command.h.diff?r1=1.23&r2=1.24)
        help.c (r1.108 -> r1.109)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/psql/help.c.diff?r1=1.108&r2=1.109)
        startup.c (r1.129 -> r1.130)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/psql/startup.c.diff?r1=1.129&r2=1.130)