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_1_STABLE

Modified Files:
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pgsql:
configure (r1.461.2.16 -> r1.461.2.17)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/configure.diff?r1=1.461.2.16&r2=1.461.2.17)
configure.in (r1.431.2.16 -> r1.431.2.17)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/configure.in.diff?r1=1.431.2.16&r2=1.431.2.17)
pgsql/doc:
bug.template (r1.34.2.8 -> r1.34.2.9)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/bug.template.diff?r1=1.34.2.8&r2=1.34.2.9)
pgsql/src/include:
pg_config.h.win32 (r1.22.2.10 -> r1.22.2.11)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/include/pg_config.h.win32.diff?r1=1.22.2.10&r2=1.22.2.11)
pgsql/src/interfaces/libpq:
libpq.rc.in (r1.3.2.7 -> r1.3.2.8)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/interfaces/libpq/libpq.rc.in.diff?r1=1.3.2.7&r2=1.3.2.8)
pgsql/src/port:
win32ver.rc (r1.6.2.7 -> r1.6.2.8)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/port/win32ver.rc.diff?r1=1.6.2.7&r2=1.6.2.8)