grace to zero.

if you want ttl=0 with a non-zero grace, set ttl first, then set grace.

solely through the .ttl and .grace variables.

Add a parameter "shortlived", objects with ttl shorter than this
always go into transient (malloc) storage, just like pass objects do.

Enforce a minimum 1sec TTL for hit-for-pass.

time might have been, it clearly was woollen, and all it did was
confuse people.

to the failing threads vtclog.

The solaris compiler does not support the GNU C extension
__attribute__((visibility("hidden"))), leading to build failures.
This commit adds a check for that support and defines NO_VIZ if it's
visibility setting is not supported.

Fixes #852

fills the output buffer, we have to call it again with same flags
and more output space. (see somewhere in vgz.h)

the number is 3 or higher

it happened to be a multiplum of rush_exponent.

Fixes:	#842

Various markup problems as reported by sphinx.

This is 74f9b697 again, since it got
lost in a merge conflict.

varnishtest now allocates ports dynamically, so it should no longer be
a problem to have two varnishtest instances running concurrently.

We support building RPMs from a tarball, not directly from git (RPM
needs a tarball anyway, so requiring people to run make dist doesn't
seem onerous).

Remove autogen.sh invocation and remove explicit building of
documentation.  Both of these are done as part of make dist

Make sure the standard vmod ends up in the RPM

This had the unfortunate side effect of making builds in
non-world-readable directories not work correctly when run as root.

This reverts commit 07c4432b.

Conflicts:
	doc/sphinx/reference/varnishncsa.rst