pgsql: Add PGFILEDESC description to Makefiles for all /contrib

Log Message:
-----------
Add PGFILEDESC description to Makefiles for all /contrib executables.

Add PGAPPICON to all executable makefiles.

Modified Files:
--------------
pgsql/contrib/oid2name:
Makefile (r1.10 -> r1.11)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/oid2name/Makefile?r1=1.10&r2=1.11)
pgsql/contrib/pg_standby:
Makefile (r1.5 -> r1.6)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/pg_standby/Makefile?r1=1.5&r2=1.6)
pgsql/contrib/pg_upgrade:
Makefile (r1.1 -> r1.2)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/pg_upgrade/Makefile?r1=1.1&r2=1.2)
pgsql/contrib/pgbench:
Makefile (r1.17 -> r1.18)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/pgbench/Makefile?r1=1.17&r2=1.18)
pgsql/contrib/vacuumlo:
Makefile (r1.17 -> r1.18)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/contrib/vacuumlo/Makefile?r1=1.17&r2=1.18)
pgsql/src/backend:
Makefile (r1.141 -> r1.142)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/Makefile?r1=1.141&r2=1.142)
pgsql/src/bin/initdb:
Makefile (r1.59 -> r1.60)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/bin/initdb/Makefile?r1=1.59&r2=1.60)
pgsql/src/bin/pg_config:
Makefile (r1.23 -> r1.24)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/bin/pg_config/Makefile?r1=1.23&r2=1.24)
pgsql/src/bin/pg_controldata:
Makefile (r1.20 -> r1.21)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/bin/pg_controldata/Makefile?r1=1.20&r2=1.21)
pgsql/src/bin/pg_ctl:
Makefile (r1.28 -> r1.29)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/bin/pg_ctl/Makefile?r1=1.28&r2=1.29)
pgsql/src/bin/pg_dump:
Makefile (r1.69 -> r1.70)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/bin/pg_dump/Makefile?r1=1.69&r2=1.70)
pgsql/src/bin/pg_resetxlog:
Makefile (r1.22 -> r1.23)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/bin/pg_resetxlog/Makefile?r1=1.22&r2=1.23)
pgsql/src/bin/pgevent:
Makefile (r1.14 -> r1.15)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/bin/pgevent/Makefile?r1=1.14&r2=1.15)
pgsql/src/bin/psql:
Makefile (r1.68 -> r1.69)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/bin/psql/Makefile?r1=1.68&r2=1.69)
pgsql/src/bin/scripts:
Makefile (r1.44 -> r1.45)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/bin/scripts/Makefile?r1=1.44&r2=1.45)
pgsql/src/interfaces/ecpg/preproc:
Makefile (r1.148 -> r1.149)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/ecpg/preproc/Makefile?r1=1.148&r2=1.149)