Update release notes for releases 9.0.4, 8.4.8, 8.3.15, and 8.2.21.

Tom Lane <tgl@sss.pgh.pa.us>

Commit: b37834ab69b25931325eb09afb053ce954edf150
Author: Tom Lane <tgl@sss.pgh.pa.us>
Date: 2011-04-14T19:51:41Z
Releases: 9.0.4
Update release notes for releases 9.0.4, 8.4.8, 8.3.15, and 8.2.21.

Files

PathChange+/−
doc/src/sgml/release-8.2.sgml modified +153 −21
doc/src/sgml/release-8.3.sgml modified +178 −15
doc/src/sgml/release-8.4.sgml modified +256 −8
doc/src/sgml/release-9.0.sgml modified +350 −7