pgsql: Stamp releases 8.2.3, 8.1.8, 8.0.12.

Log Message:
-----------
Stamp releases 8.2.3, 8.1.8, 8.0.12. No release notes yet.

Tags:
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REL8_0_STABLE

Modified Files:
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pgsql:
configure (r1.424.4.17 -> r1.424.4.18)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/configure.diff?r1=1.424.4.17&r2=1.424.4.18)
configure.in (r1.398.4.16 -> r1.398.4.17)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/configure.in.diff?r1=1.398.4.16&r2=1.398.4.17)
pgsql/doc:
bug.template (r1.26.4.14 -> r1.26.4.15)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/bug.template.diff?r1=1.26.4.14&r2=1.26.4.15)
pgsql/src/include:
pg_config.h.win32 (r1.21.4.12 -> r1.21.4.13)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/pg_config.h.win32.diff?r1=1.21.4.12&r2=1.21.4.13)
pgsql/src/interfaces/libpq:
libpq.rc.in (r1.2.4.13 -> r1.2.4.14)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/libpq/libpq.rc.in.diff?r1=1.2.4.13&r2=1.2.4.14)
pgsql/src/port:
win32ver.rc (r1.5.4.11 -> r1.5.4.12)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/port/win32ver.rc.diff?r1=1.5.4.11&r2=1.5.4.12)