Plone.app.layout

-------------------

- add icons-off body class for icon setting
[vangheem]

- Use global site-title for og:site_name.
Fixes https://github.com/plone/Products.CMFPlone/issues/951
[pbauer]

-------------------

- Fixed AttributeError for ac_permissions.
Happens in plone.app.portlets tests.
[maurits]

-------------------

- Bring back document byline. Closes `CMFPlone741`_.
[rodfersou]

-------------------

- Be more defensive in getting registry settings so upgraded
schema does not cause errors
[vangheem]

- Pull values for display_publication_date_in_byline, default_language,
icon_visibility from the configuration registry.
[esteele]

-------------------

- Correctly display selected item in global navigation for images and files.
Fixes https://github.com/plone/Products.CMFPlone/issues/830
[pbauer]

- Add view url to document as data-view-url
[ale-rt]

- If toolbar logo is empty, use default
[vangheem]

- Move getDefaultPage, isDefaultPage, IDefaultPage and DefaultPage view to
Products.CMFPlone in order to avoid circular imports between both packages.
Moved test for it as well. Placed deferred deprecated imports for all old
names here.
[jensens]

- Remove deprecated ``context`` parameter from ``DefaultPage`` methods.
[jensens]

- minor cleanup in getDefaultPage function
[jensens]

- Added a test for the complex getDefaultPage function
[jensens]

------------------

- Default is expanded Toolbar.
[bloodbare]