Castle.cms

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BREAKING
++++++++

The 3.x series of releases will bring CastleCMS into compatibility with
ElasticSearch 7. Practically, this means primarily updating 3 packages:

* castle.cms >= 3
* collective.elasticsearch >= 4
* elasticsearch >= 7, <= 7.6

The `elasticsearch` package is restricted between 7 and 7.6 primarily due to
the restriction from `collective.elasticsearch` -- this is expected to be
updated at some point, but not for the initial release of `castle.cms` 3.x.

For migration, it is recommended that you setup a new ES cluster, update
site configurations to point at the new cluster, then do the "Convert" and
"Rebuild" actions in the ElasticSearch control panel.

This will not migrate your audit log, if enabled. To migrate the audit log,
use the `castle/cms/_scripts/export-audit-log.py` script to dump the old
audit log into a CSV file, and then use the `castle/cms/_scripts/import-audit-log.py`
script to import the CSV file into the new cluster.

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- bugfix for custom index names for audit log

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- changed default slideshow view to be the actual slideshow
(Castle/some-slideshow now renders the view from Castle/some-slideshow/view-slideshow
instead of from Castle/some-slideshow/view) (482)
- changeNote bugfix (483)
- auditlog use of customizable ES index name (484 and 485)
- normalize folder contents column headings (486)
- all-contents view for folder contents view (487)
- update cryptography to 3.3.2 and update cffi to 1.14.5 (461)

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- fix labeling for required versioning behavior

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- add custom IVersionable behavior to integrate better with audit log

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- Separated backend and frontend configurations for robot instructions in html meta tags
- Added Current Castle Version to control panel Version Overview
- tweak audit log styling to help prevent overlap on normal sized screens
- add ability to customize default font sizing for tiles per object