pgsql: Add btree_gin contrib module.

Log Message:
-----------
Add btree_gin contrib module.

Teodor Sigaev and Oleg Bartunov

Modified Files:
--------------
pgsql/contrib:
Makefile (r1.86 -> r1.87)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/Makefile?r1=1.86&r2=1.87)
README (r1.99 -> r1.100)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/README?r1=1.99&r2=1.100)
pgsql/doc/src/sgml:
contrib.sgml (r1.11 -> r1.12)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/contrib.sgml?r1=1.11&r2=1.12)
filelist.sgml (r1.59 -> r1.60)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/filelist.sgml?r1=1.59&r2=1.60)

Added Files:
-----------
pgsql/contrib/btree_gin:
Makefile (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/Makefile?rev=1.1&content-type=text/x-cvsweb-markup)
btree_gin.c (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/btree_gin.c?rev=1.1&content-type=text/x-cvsweb-markup)
btree_gin.sql.in (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/btree_gin.sql.in?rev=1.1&content-type=text/x-cvsweb-markup)
uninstall_btree_gin.sql (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/uninstall_btree_gin.sql?rev=1.1&content-type=text/x-cvsweb-markup)
pgsql/contrib/btree_gin/expected:
bit.out (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/expected/bit.out?rev=1.1&content-type=text/x-cvsweb-markup)
install_btree_gin.out (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/expected/install_btree_gin.out?rev=1.1&content-type=text/x-cvsweb-markup)
bytea.out (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/expected/bytea.out?rev=1.1&content-type=text/x-cvsweb-markup)
char.out (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/expected/char.out?rev=1.1&content-type=text/x-cvsweb-markup)
cidr.out (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/expected/cidr.out?rev=1.1&content-type=text/x-cvsweb-markup)
date.out (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/expected/date.out?rev=1.1&content-type=text/x-cvsweb-markup)
float4.out (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/expected/float4.out?rev=1.1&content-type=text/x-cvsweb-markup)
float8.out (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/expected/float8.out?rev=1.1&content-type=text/x-cvsweb-markup)
inet.out (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/expected/inet.out?rev=1.1&content-type=text/x-cvsweb-markup)
int2.out (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/expected/int2.out?rev=1.1&content-type=text/x-cvsweb-markup)
int4.out (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/expected/int4.out?rev=1.1&content-type=text/x-cvsweb-markup)
int8.out (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/expected/int8.out?rev=1.1&content-type=text/x-cvsweb-markup)
interval.out (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/expected/interval.out?rev=1.1&content-type=text/x-cvsweb-markup)
macaddr.out (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/expected/macaddr.out?rev=1.1&content-type=text/x-cvsweb-markup)
money.out (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/expected/money.out?rev=1.1&content-type=text/x-cvsweb-markup)
numeric.out (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/expected/numeric.out?rev=1.1&content-type=text/x-cvsweb-markup)
oid.out (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/expected/oid.out?rev=1.1&content-type=text/x-cvsweb-markup)
text.out (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/expected/text.out?rev=1.1&content-type=text/x-cvsweb-markup)
time.out (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/expected/time.out?rev=1.1&content-type=text/x-cvsweb-markup)
timestamp.out (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/expected/timestamp.out?rev=1.1&content-type=text/x-cvsweb-markup)
timestamptz.out (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/expected/timestamptz.out?rev=1.1&content-type=text/x-cvsweb-markup)
timetz.out (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/expected/timetz.out?rev=1.1&content-type=text/x-cvsweb-markup)
varbit.out (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/expected/varbit.out?rev=1.1&content-type=text/x-cvsweb-markup)
varchar.out (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/expected/varchar.out?rev=1.1&content-type=text/x-cvsweb-markup)
pgsql/contrib/btree_gin/sql:
bit.sql (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/sql/bit.sql?rev=1.1&content-type=text/x-cvsweb-markup)
install_btree_gin.sql (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/sql/install_btree_gin.sql?rev=1.1&content-type=text/x-cvsweb-markup)
bytea.sql (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/sql/bytea.sql?rev=1.1&content-type=text/x-cvsweb-markup)
char.sql (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/sql/char.sql?rev=1.1&content-type=text/x-cvsweb-markup)
cidr.sql (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/sql/cidr.sql?rev=1.1&content-type=text/x-cvsweb-markup)
date.sql (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/sql/date.sql?rev=1.1&content-type=text/x-cvsweb-markup)
float4.sql (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/sql/float4.sql?rev=1.1&content-type=text/x-cvsweb-markup)
float8.sql (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/sql/float8.sql?rev=1.1&content-type=text/x-cvsweb-markup)
inet.sql (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/sql/inet.sql?rev=1.1&content-type=text/x-cvsweb-markup)
int2.sql (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/sql/int2.sql?rev=1.1&content-type=text/x-cvsweb-markup)
int4.sql (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/sql/int4.sql?rev=1.1&content-type=text/x-cvsweb-markup)
int8.sql (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/sql/int8.sql?rev=1.1&content-type=text/x-cvsweb-markup)
interval.sql (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/sql/interval.sql?rev=1.1&content-type=text/x-cvsweb-markup)
macaddr.sql (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/sql/macaddr.sql?rev=1.1&content-type=text/x-cvsweb-markup)
money.sql (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/sql/money.sql?rev=1.1&content-type=text/x-cvsweb-markup)
numeric.sql (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/sql/numeric.sql?rev=1.1&content-type=text/x-cvsweb-markup)
oid.sql (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/sql/oid.sql?rev=1.1&content-type=text/x-cvsweb-markup)
text.sql (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/sql/text.sql?rev=1.1&content-type=text/x-cvsweb-markup)
time.sql (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/sql/time.sql?rev=1.1&content-type=text/x-cvsweb-markup)
timestamp.sql (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/sql/timestamp.sql?rev=1.1&content-type=text/x-cvsweb-markup)
timestamptz.sql (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/sql/timestamptz.sql?rev=1.1&content-type=text/x-cvsweb-markup)
timetz.sql (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/sql/timetz.sql?rev=1.1&content-type=text/x-cvsweb-markup)
varbit.sql (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/sql/varbit.sql?rev=1.1&content-type=text/x-cvsweb-markup)
varchar.sql (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/btree_gin/sql/varchar.sql?rev=1.1&content-type=text/x-cvsweb-markup)
pgsql/doc/src/sgml:
btree-gin.sgml (r1.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/btree-gin.sgml?rev=1.1&content-type=text/x-cvsweb-markup)