pgsql: Stamp releases 7.3.16, 7.4.14, 8.0.9, and 8.1.5.

Log Message:
-----------
Stamp releases 7.3.16, 7.4.14, 8.0.9, and 8.1.5.

Tags:
----
REL8_0_STABLE

Modified Files:
--------------
    pgsql/doc:
        FAQ (r1.292.4.20 -> r1.292.4.21)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/FAQ.diff?r1=1.292.4.20&r2=1.292.4.21)
        bug.template (r1.26.4.11 -> r1.26.4.12)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/bug.template.diff?r1=1.26.4.11&r2=1.26.4.12)
    pgsql/doc/src/FAQ:
        FAQ.html (r1.248.4.21 -> r1.248.4.22)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/FAQ/FAQ.html.diff?r1=1.248.4.21&r2=1.248.4.22)
    pgsql/src/include:
        pg_config.h.win32 (r1.21.4.9 -> r1.21.4.10)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/pg_config.h.win32.diff?r1=1.21.4.9&r2=1.21.4.10)
    pgsql/src/interfaces/libpq:
        libpq.rc.in (r1.2.4.10 -> r1.2.4.11)

(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/libpq/libpq.rc.in.diff?r1=1.2.4.10&r2=1.2.4.11)
    pgsql/src/port:
        win32ver.rc (r1.5.4.8 -> r1.5.4.9)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/port/win32ver.rc.diff?r1=1.5.4.8&r2=1.5.4.9)