Plone.recipe.zope2instance

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- Link to zope.conf is now relativitize if option relative-paths is true.
[bsuttor]
- Added ability to set ``initialization`` to configure Python
code to run on instance start up.
[davidjb]
- added support for http-header-max-length
[alecghica]

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- adding support for zopectl umask
[hman]

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- be able to set zeo client as read only from buildout configuration
[vangheem]

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- When creating the blobstorage dir, make it only readable for the
current user, otherwise you get a ZODB warning on startup. This
uses code from the ZODB, which does the same when Zope starts up and
the blobstorage directory does not exist yet.
[maurits]

- Fixed check for empty custom_access_event_log and custom_event_log.
[alecghica]

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- Recipe would fail if eggs are stored in readonly cache. Don't copy
permissions from the egg.
[garbas]

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- Add trove classifiers to note Python version compatibility.
[hannosch]