Plonemeeting.portal.core

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- Improved UX

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- Improved disclaimer on item preview
[odelaere]

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- Customize footer to add Log In link in portal.footer
This is impossible with viewlet moving (because of Barceloneta rules)
[laulaz]

- Added subscriber to delete institution manager group when an institution is deleted
[odelaere]

- Allow Institution Managers to add content
[laulaz]

- Add alt's on actions
[laulaz]

- Fix display of formatted title in item preview.
[odelaere]

- Added force reload on meeting preview.
[odelaere]

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- CSS: remove underline when hovering meeting date on item view
[gbastien]

- Faceted ItemsSortWidget, do only use double sorting
('linkedMeetingDate', 'item_number') when not meeting (criterion 'seance')
is selected in the faceted. This should fix the weird results on last page
of items of a meeting
[gbastien]

- Renamed 'Publish' french translation to 'Mettre en décision'
[gbastien]

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- Store storable value in index 'item_number', turn str item number
into a sortable integer
[gbastien]

- Added 'sort_on=getItemNumber' to default URL returned
by utils.get_api_url_for_meeting_items
[gbastien]

- Set 'b_size=9999' for restapi URi returned by
utils.get_api_url_for_meeting_items and utils.get_api_url_for_meetings
[gbastien]

- Use default Plone CSS classes to manage review_state
[gbastien]

- Create role 'Institution Manager'
[gbastien]

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- Fixed Flake8 config.
[odelaere]