delivered.

Transports are a superset of protocols because internal requests,
notably ESI:includes, doesn't use a HTTP protocol to deliver their
response, but have have ødipal ways of doing things.

Submitted by: Dridi

it to slim down req/busyobj a tiny bit.

its cheaper to eliminate the exceedingly unlikely resource leak
Coverity spotted that way.

Fixes #1692

Found and diagnosed by:	martin
Slightly different patch by me.

it is supected of being the cause of the race in #1675 amongst other
evils.

With backend waiters it makes no sense to bring it back.

Fixes: #1726

In future versions of HTTP requests can be terminated abnormally
without ditching the entire session, and this change starts the
transition to that logic.

Fixes: #1732

and plunk it down in req_fsm for now.

Only allow VDP_ungzip to set a length if it is the top VDP.

consuming ESI string as we go, rather than the other way around.

While passing by, update the text and formatting to
our regular style.

With PROXY protocol support, the behaviour of varnishd startup argument
-a changed.

Reflect this in the man page and adjacent documentation.

This is obviously different than in the original patch, a change
which I seem to have missed.

Spotted by Dridi.

Time to start writing down what will be part of 4.1.

a unstable beast :-/

platforms, but I'm not quite sure I know why...