Use strcmp and not == for comparing strings

Typos in documentation, thanks to Camiel Dobbelaar for spotting
these.

If varnishd is compiled with -DDIAGNOSTIC and run with -x dumprst
(previously -x dumpmdoc) it will dump the paramer definitions in rst
(previously mdoc) format, suitable for including into the varnishd
reference documentation.

systematic footing.

debug pipe.

VCC expects an ID, and complains if it is not on the list of
valid values.  The value is passed as a "const char *"

More and better error messages from vmod.py

and add support for argument qualifiers in {...}

more portable, says Nils Goroll

(fix a typo in previous commit)

Remember to free vgz structures again in ESI fetching

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.