Draft release notes up for review

I've committed first-draft release notes for next week's back-branch
releases.  As usual, I've made a section for 9.4.2 that currently
includes items for all branches; I'll subdivide the items tomorrow.
If you wish to review, please send comments in the next 18 hours or so.

Patch is up now at
http://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=0563b4c0c3b7cc2323cfb63e11d723764e2d5f7d
and the formatted results should be visible on the devel docs build at
http://www.postgresql.org/docs/devel/static/
in a couple of hours.
        regards, tom lane