It does not make sense to specify less that 1M of storage, so error
out if a user specifies -smalloc,512 for instance.  They probably
meant -smalloc,512M, but require them to be explicit.

Adjust C00027 test case to match

reworked from a commit to 2.1 by Bjørn Ruberg.

Also removed the $Id$, which was both incorrect and now obsolete.

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Expose vreadfd(), also with a size pointer return argument.

Use vreadfd() in std.fileread()

A couple of constifications while I wait for the tests to run.

Spotted by:	DocWilco

Submitted by:	ehocdet

Fixes	#911

still need the object.

Instead, add a WRW_error() function to query if there are WRW trouble.

Fixes	#904

not gunzip, send content-length to client rather than chunked.

This makes progress-bars possible in browsers.

Add -O option to turn off grouping.

Get rid of blank line separating requests.

Rename -o added in last commit to -m, add documentation.

Make -o tag:regex only act on transactions where the regex matches
tag, generalised from what varnishlog and varnishncsa already had
support for.  In addition, support multiple -o options which are then
and-ed together.