Iw.rejectanonymous

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- Nothing changed yet.

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- Add ok to valid_ids
[ale-rt]

- Add custom.css to valid_ids (needed since Plone 5.2.2)
[ale-rt]

- Add ++unique++ to valid_subpart_prefixes (needed since Plone 5)
[ale-rt]

- Remove pdb
[mpeeters]

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- Add less-variables.js to valid ids for Plone 5.2 compliance.
Update classifiers [thomasdesvenain]

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- If plone.restapi is available, add auth related endpoints to valid ids.
[thomasdesvenain]

- Compliancy with plone.rest: allow anonymous OPTIONS requests
[ebrehault]

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- Modified coding style of getPortalLogoId function.
[vincentfretin]

- Make iw.rejectanonymous work in tests
[jaroel]

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- 4.2.1 Compatibility.
[thomasdesvenain]