Обсуждение: pgsql: Update release notes for 9.1.5, 9.0.9, 8.4.13, 8.3.20.

Update release notes for 9.1.5, 9.0.9, 8.4.13, 8.3.20.

Branch
------
REL8_4_STABLE

Details
-------
http://git.postgresql.org/pg/commitdiff/b556e4f89735c8062d08452e2d8c97a0e46e317c

Modified Files
--------------
doc/src/sgml/release-8.3.sgml |  223 +++++++++++++++++++++++++++++++++++++++
doc/src/sgml/release-8.4.sgml |  234 +++++++++++++++++++++++++++++++++++++++++
2 files changed, 457 insertions(+), 0 deletions(-)