NEWS/docs for insert tempfail changes

[Tomi Ollila]

On Wed, Dec 07 2016, David Bremner <david at tethera.net> wrote:

> I went back and forth few times, but eventually decided to go with
> Tomi's version of the test quoting, the better to share the blame.
> The patches will be merged to release and master, in prep for another
> bugfix release.  Here are some proposed news and manpage changes.

>From the (content and) formatting point of view these look good.

Tomi