Plone.recipe.varnish

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* Be more explicit about deprecating the :build entry point.
[wichert]

* Make the :instance specifier optional: after :build has been removed
we can deprecate :instance as well.
[wichert]

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* Deprecate plone.recipe.varnish:build in favour of zc.recipe.cmmi: it does
not make sense to duplicate its logic here.
[wichert]

* Add feature to enable verbose headers in varnish.vcl. This is primary
interesting for debugging of cache-settings. See README.txt.
[jensens]

* Deal better with sources which do not have executable-bits set or
are svn exports.
[wichert]

* The 1.0rc5 release was broken and has been retracted. Currently the trunk
is only usable with the Varnish 2.0-beta1 and later.
[hannosch]

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* Pipe is evil: it pipes the whole connection to the backend which means
varnish will no longer process any further requests if HTTP pipelining is
used. Switch to using pass instead.
[wichert]

* Add a default_ttl of zero seconds to the Varnish runner to avoid a Varnish
bug with the handling of an Expires header with a date in the past.
[newbery]

* Merged branches/newbery-hostnamepath.
[newbery]

* We don't need to include Accept-Encoding in the hash. Varnish takes care
of Vary negotiation already.
[newbery]

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* Fixed typos / whitespace.
[hannosch]

* Varnish 1.1.2 is out.
[wichert]

* Merged witsch-foreground-support back to trunk.
[witsch]

* Use a pidfile.
[wichert]

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* Fixed a bug where options["location"] was being used before it was being set.
[rocky]

* Made the module name determination a little more robust during
createVarnishConfig so that recipes that specify version deps still work.
[rocky]

* Do not use defaults for user and group.
[wichert]

* We do need the parts: we use it for the file storage.
[wichert]

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* Add an option to use an existing configuration file.
[wichert]

* Remove hardcoded caching for images, binaries, CSS and javascript. This
should be done by the backend server or a custom varnish configuration.
[wichert]

* Add Accept-Encoding to the cache key so we can handle compressed content.
[wichert]

* Test if a bin-directory exists. This allows us to compile varnish 1.0
which does not have an sbin directory.
[wichert]