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: 98eded936c1e81e6af5a4228ba3eb7b6352d6c91
Author: Tom Lane <tgl@sss.pgh.pa.us>
Date: 2011-04-14T19:52:18Z
Releases: 9.1.0
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 +132 −0
doc/src/sgml/release-8.3.sgml modified +163 −0
doc/src/sgml/release-8.4.sgml modified +248 −0
doc/src/sgml/release-9.0.sgml modified +344 −0