Plone.app.caching

Bug fixes:

- Add missing quotation mark in Etag 304 Response [sverbois] (104)

Bug fixes:

- Remove trailing comma to avoid different default messages for the same msgid
[erral] (102)

Bug fixes:

- Add missing i18n tags
[erral] (101)

Breaking changes:

- Remove unmaintained Split-View profile.
[jensens] (99)

New features:

- Move caching ruleset assignments from here to plone.restapi and add ZCML feature here.
[jensens] (100)

Bug fixes:

- Minor overhaul, use plone.base, remove some Plone 5.2 imports, ...
[jensens] (98)
- Minor code cleanup and review/overhaul docs.
[jensens] (99)

Bug fixes:

- Apply black to the codebase, format it to be Python 3 only (94)

Bug fixes:

- Test-only fix: caching checks for ``timestamp.txt`` in ``portal_resources`` which is no longer there.
Update ETAG Headers accordingly.
[pbauer] (92)