pgsql: Add sample text search dictionary templates and parsers, to

Log Message:
-----------
Add sample text search dictionary templates and parsers, to replace the
hard-to-maintain textual examples currently in the SGML docs. From
Sergey Karpov.

Modified Files:
--------------
pgsql/contrib:
Makefile (r1.80 -> r1.81)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/Makefile?r1=1.80&r2=1.81)
README (r1.93 -> r1.94)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/README?r1=1.93&r2=1.94)

Added Files:
-----------
pgsql/contrib/dict_int:
Makefile (r1.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/dict_int/Makefile?rev=1.1&content-type=text/x-cvsweb-markup)
README.dict_int (r1.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/dict_int/README.dict_int?rev=1.1&content-type=text/x-cvsweb-markup)
dict_int.c (r1.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/dict_int/dict_int.c?rev=1.1&content-type=text/x-cvsweb-markup)
dict_int.sql.in (r1.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/dict_int/dict_int.sql.in?rev=1.1&content-type=text/x-cvsweb-markup)
uninstall_dict_int.sql (r1.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/dict_int/uninstall_dict_int.sql?rev=1.1&content-type=text/x-cvsweb-markup)
pgsql/contrib/dict_int/expected:
dict_int.out (r1.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/dict_int/expected/dict_int.out?rev=1.1&content-type=text/x-cvsweb-markup)
pgsql/contrib/dict_int/sql:
dict_int.sql (r1.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/dict_int/sql/dict_int.sql?rev=1.1&content-type=text/x-cvsweb-markup)
pgsql/contrib/dict_xsyn:
Makefile (r1.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/dict_xsyn/Makefile?rev=1.1&content-type=text/x-cvsweb-markup)
README.dict_xsyn (r1.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/dict_xsyn/README.dict_xsyn?rev=1.1&content-type=text/x-cvsweb-markup)
dict_xsyn.c (r1.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/dict_xsyn/dict_xsyn.c?rev=1.1&content-type=text/x-cvsweb-markup)
dict_xsyn.sql.in (r1.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/dict_xsyn/dict_xsyn.sql.in?rev=1.1&content-type=text/x-cvsweb-markup)
uninstall_dict_xsyn.sql (r1.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/dict_xsyn/uninstall_dict_xsyn.sql?rev=1.1&content-type=text/x-cvsweb-markup)
xsyn_sample.rules (r1.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/dict_xsyn/xsyn_sample.rules?rev=1.1&content-type=text/x-cvsweb-markup)
pgsql/contrib/dict_xsyn/expected:
dict_xsyn.out (r1.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/dict_xsyn/expected/dict_xsyn.out?rev=1.1&content-type=text/x-cvsweb-markup)
pgsql/contrib/dict_xsyn/sql:
dict_xsyn.sql (r1.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/dict_xsyn/sql/dict_xsyn.sql?rev=1.1&content-type=text/x-cvsweb-markup)
pgsql/contrib/test_parser:
Makefile (r1.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/test_parser/Makefile?rev=1.1&content-type=text/x-cvsweb-markup)
README.test_parser (r1.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/test_parser/README.test_parser?rev=1.1&content-type=text/x-cvsweb-markup)
test_parser.c (r1.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/test_parser/test_parser.c?rev=1.1&content-type=text/x-cvsweb-markup)
test_parser.sql.in (r1.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/test_parser/test_parser.sql.in?rev=1.1&content-type=text/x-cvsweb-markup)
uninstall_test_parser.sql (r1.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/test_parser/uninstall_test_parser.sql?rev=1.1&content-type=text/x-cvsweb-markup)
pgsql/contrib/test_parser/expected:
test_parser.out (r1.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/test_parser/expected/test_parser.out?rev=1.1&content-type=text/x-cvsweb-markup)
pgsql/contrib/test_parser/sql:
test_parser.sql (r1.1)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/contrib/test_parser/sql/test_parser.sql?rev=1.1&content-type=text/x-cvsweb-markup)