Plone.app.layout

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Bug fixes:

- Use the site-title in the meta-attribute title unless the navigation_root is not the portal.
Fixes https://github.com/plone/Products.CMFPlone/issues/2117
[pbauer]

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New features:

- Added ``Show Toolbar`` permission.
[agitator]

Bug fixes:

- Put "search in this section" checkbox where assistive tech users have a fair chance of finding and using it
https://github.com/plone/Products.CMFPlone/issues/1619
[polyester]

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New features:

- Added membertools viewlet. If user is not anonymous and toolbar is not visible according to ``is_toolbar_visible`` the viewlet will show at the location of anontools.
[agitator]

Bug fixes:

- show 'in current section only' before search input field for a11y reasons. https://github.com/plone/Products.CMFPlone/issues/1619 [polyester]

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Bug fixes:

- Fix issue preventing disabling icons and/or thumbs globally.
[fgrcon]

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New features:

- Do not render social metadata if you are a logged user.
[bsuttor]

- Add method ``is_toolbar_visible`` to context state.
It uses a whitelist and defaults to authenticated users.
Use new method it in toolbar viewlet manager and layout body classes.
[jensens]

Bug fixes:

- fixed css-classes for thumb scales ...
https://github.com/plone/Products.CMFPlone/issues/2077
[fgrcon]

- Deprecating getIcon() in plone_layout
see https://github.com/plone/Products.CMFPlone/issues/1734
[fgrcon]

- Factor toolbar classes out to own method.
Includes minor cleanup.
[jensens]

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Bug fixes:

- Fix tests for social media viewlet.
[hvelarde]

- Fix import location for Products.ATContentTypes.interfaces.
[thet]

- Remove redundant Twitter card tags. If og:title, og:description, og:image and
og:url are defined Twitter will recognise and use those on the card.
See: `Twitter getting started <https://dev.twitter.com/cards/getting-started>`_ section on
Twitter Cards and Open Graph. Fixes `issue 119 <https://github.com/plone/plone.app.layout/issues/119>`_.
[jladage]