XWIKI-10410: Add a new authorization manager component that take care of external context

- Fix more test failures
XWIKI-10469: Support ability to set recipients (to, cc, bcc) from the scripting API
XWIKI-10410: Add a new authorization manager component that take care of external context

- Introduce backward compatibility for programming rights in CAM.
XWIKI-10471: Edit inline is broken when there is no panel column.
XWIKI-10477: No difference in icon used when Watching/UnWatching a Wiki/Space/Page
XWIKI-10478: Implement the preview mode in Flamingo.
XWIKI-10479: Add new security authorization script service
    XCOMMONS-608: Upgrade to reflections 0.9.9-RC2
    * follow API changes
[misc] Fix wrongly embedded classes
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XWIKI-10480: Polish the use of Bootstrap grid.
XWIKI-10474: Inconsistent behaviour of panel layout with edit inline.
XWIKI-10480: Polish the use of Bootstrap grid.
XWIKI-10454: Impossible to change the parent of an ophan page with Flamingo.
XWIKI-10484: Bad panel layout with Object, Class & right editors.
XWIKI-10485: The document title is displayed twice in the right editor.
XWIKI-10486: We should not be able to change the parent of a document in object, class & right editors.
XWIKI-10478: Implement the preview mode in Flamingo.
XWIKI-10487: Improve the text-alignment of the application bar in Flamingo.
XWIKI-10490: Polish the rename action with Flamingo.