we have a usable state.

from, so that we do not need to special-case locking all over the
place.

Give the busyobj a real reference to the objcore it's fetching.

nasty synchronization bits of streaming.

If there is a need, we'll bring it back as a VMOD.

Also removed some redundant stuff.

get penalized by the backend fetch.

Rough edges are to be expected, including that I had to disable
three Saint-mode test-cases, until I figure out how saint-mode should
work in this scenario.

the req workspace un-reserved before we can call vcl_lookup{} and
we can't tell if we need the predictive Vary: until vcl_lookup{}
tells us.

The missing handler would end the object spec prematurily, hiding the
rest of the methods.

Fixes: #1332

pointer as the first element.

Fixes: #1287

Spotted by:	Federico Schwindt

where the rest of the compiler can get at it.