With 160927b6 t_origin got corrected
by Age, so we already took the age the object had at fetch time into
consideration for all other calculations.

Fixes #1578

Call HTTP1_DiscardReqBody() in cnt_synth before delivery to deal with
any lingering request body.

Fixes: #1577

This reverts commit 36123ef1.

This reverts commit caa37694.

to play with.

the "NEED_FIXUP" flag in the space dedicated for private bits.

the objcore.

Fixes #1574

This shaves approx 100 bytes of stored objects, and is a major step
to avoiding storing absolute pointers in persistent stevedores.

This bumps the vrt.h major version.

As before, libedit is preferred over libreadline.

Fail configure if neither is found or if libedit includes are missing.
Require readline history support (as varnishadm needs it).

Previously, if only libreadline was found, all binaries were linked
against it. Now only binaries getting linked with LIBEDIT_LIBS will
get linked aginst readline if libedit is not found.

If configure succeeds, a build should not fail any longer due to
libedit/libreadline headers missing.

Fixes #1555

When multiple arguments were passed to vmod_hash_backend, only the
first argument was re-used for the number of arguments passed.

Fixes #1568

Until reimplemented we have slightly less info in panics about objects.