Add a distcheck hook that checks the version field of the RH spec
file, ensuring that we don't accidentially release a version without
at least making sure that number is correct.



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and the ban-lurker and there is nothing we can do about it:  They
come from opposite ends of the world.

Resolve this by using a TryLock in the ban-lurker and abandon the
attempt if we fail to get the lock.

Fixes:	#796


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libvarnish's Makefile.am accidentially included a bit that should
have been committed, so revert part of previous commit.



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Fix up the documentation build system, hopefully making "make
distcheck" work correctly again.


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Make sure we distribute the needed header files and ensure they're
part of the Makefile dependency chain


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Try to use the name "Varnish Cache" rather than "Varnish HTTP
accelerator" and be consistent about this everywhere.



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Example usage:

    sub vcl_fetch {
	/* Spread TTLs -10%..+5% because CMS timestamps whole minutes */
	set beresp.ttl = beresp.ttl * random(0.90, 1.05);
    }

This usage was one of the very first VCL examples we ever wrote on
a whiteboard, we just never got a round tuit until now.

Fixes: #793



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Add a -o option to varnishncsa to allow filtering of output to only request groups which match a regular expression on a given tag.

Add errors on -i and -I options in varnishncsa, as these options does not make sense for that utility.

Add documentation to varnishncsa for -o option, and remove documentation for -i and -I.



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VCL. Also adds a small test for incorrect headers.




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Log PID of child process for aid logfile trawling



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to it's state.



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robust.



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varnishlog output.



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isn't anything else we can do sensibly.

Fixes: #787



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