pgsql: Show database access privileges in psql's \l command.

[tgl(at)postgresql(dot)org (Tom Lane)]

Log Message:
-----------
Show database access privileges in psql's \l command.  For \l+, also show
database size, when available to the current user.

Andrew Gilligan

Modified Files:
--------------
    pgsql/doc/src/sgml/ref:
        psql-ref.sgml (r1.198 -> r1.199)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/ref/psql-ref.sgml?r1=1.198&r2=1.199)
    pgsql/src/bin/psql:
        describe.c (r1.165 -> r1.166)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/bin/psql/describe.c?r1=1.165&r2=1.166)