Update 9.2 release notes to reflect commits to date.

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

Commit: 3f9abab59021fff43dade76bfeea139ccbbb38dc
Author: Tom Lane <tgl@sss.pgh.pa.us>
Date: 2012-08-22T02:57:45Z
Releases: 9.2.0
Update 9.2 release notes to reflect commits to date.

I was unable to entirely resist the temptation to copy-edit related
entries, but will save most of that for a separate pass.

Files

PathChange+/−
doc/src/sgml/release-9.2.sgml modified +105 −34