pgsql: Add GRANT CONNECTION ON DATABASE, to be used in addition to

Log Message:
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Add GRANT CONNECTION ON DATABASE, to be used in addition to pg_hba.conf.

Gevik Babakhani

Modified Files:
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pgsql/doc/src/sgml:
client-auth.sgml (r1.87 -> r1.88)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/client-auth.sgml.diff?r1=1.87&r2=1.88)
pgsql/doc/src/sgml/ref:
grant.sgml (r1.52 -> r1.53)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/grant.sgml.diff?r1=1.52&r2=1.53)
revoke.sgml (r1.36 -> r1.37)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/revoke.sgml.diff?r1=1.36&r2=1.37)
pgsql/src/backend/catalog:
aclchk.c (r1.125 -> r1.126)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/catalog/aclchk.c.diff?r1=1.125&r2=1.126)
pgsql/src/backend/utils/adt:
acl.c (r1.131 -> r1.132)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/adt/acl.c.diff?r1=1.131&r2=1.132)
pgsql/src/backend/utils/init:
postinit.c (r1.162 -> r1.163)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/utils/init/postinit.c.diff?r1=1.162&r2=1.163)
pgsql/src/include/catalog:
catversion.h (r1.326 -> r1.327)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/catalog/catversion.h.diff?r1=1.326&r2=1.327)
pgsql/src/include/nodes:
parsenodes.h (r1.308 -> r1.309)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/nodes/parsenodes.h.diff?r1=1.308&r2=1.309)
pgsql/src/include/utils:
acl.h (r1.93 -> r1.94)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/utils/acl.h.diff?r1=1.93&r2=1.94)