The following patch allows the autoconf script to detect the presence of
libedit when there isn't a pkg-config file present and thus allowing
Varnish to detect libedit on OpenBSD/FreeBSD/NetBSD/DragonFly.

Fixes: #1003

I've opted for a less intrusive fix that Martin proposed, but my fix
is largely a rework of his suggested patch.

Testcase by:	Martin

Submitted by:	scoof
Fixes		#1104

pointer, in order to not have dependency between trouble entry and
objhead lifetime.

Fixes	#1091

Submitted by:	DocWilco

the original requester.

Submitted by:	DocWilco

Fixes #1056

Thanks to Jeff Williams for pointing this out.

while parsing the HTTP request.

Patch by: mark

Set the default total transfer time to 600s.

Retry if we hit a TCP timeout if some data was sent and only error out
when we get an error or no data was sent in the time period.

- mention vmod_std(7)
- HEADER is released and used by vmod_std(7) so put it in its own line.
  The explanation is still needed though.
- for consistency replace leading tabs with spaces
- *fallback* are not strings so avoid mentioning the type
- use ascii characters in vmod_std(7)

And a few style changes from me to vmod_std.rst

Fixes: #1092