Ftw.recipe.deployment

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- Nothing changed yet.

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- Skip duplicate zope parts when generating logrotate config.
[lgraf]

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- Add option to suppress creation of filebeat config.
[lgraf]

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- Only chmod scripts to executable if they're not already executable.
[buchi]

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- Generate filebeat prospector configs for ftw.structlog and
ftw.contentstats logs.
[lgraf]

- Respect current umask when making scripts executable.
[buchi]

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- Generate logrotate config for ftw.structlog's logfiles.
[lgraf]