* Use a parameter that doesn't already exist!

XWIKI-11701: Improve the mail sender script service API when sending mails to a group or to a list of users
* Fix issue for calling the "users" MimeMessageFactory from velocity
* Add a generic way to specify the type of the MimeMessageFactory to lookup

* The Chart macro content is not mandatory.

* The template name was URL-encoded twice.

XWIKI-11694: XWikiHibernateAttachmentStore methods don't take into account attachment wiki as well as they think

* Add support for displaying 'New document...' and 'Upload file...' meta nodes in the document tree (needed by the WYSIWYG editor).
* Look only for default translations when suggesting documents (for the tree finder).
* Take suggestion data (e.g. resultHint, resultInfo) from node.data (rather than node directly)
* Add support to the suggest.js for specifying the type of each suggestion (used as a CSS class).
* Display 'No results!' when the tree finder has no suggestions.
* Scroll into view the node that corresponds to the selected suggestion.
* Remove SmartClient files and xwikiexplorer.js and update all the places where they were used.
* Enhance entityReference.js with a method to get an EntityType contant (enum value) by it's name.
XWIKI-5484: Problem to load the wiki pages tree/list (Link > Wiki page > "All the pages" tab) where there is a lot of pages
XWIKI-3796: No horizontal scrollbar for long page names in the treeview
XWIKI-11550: Document Tree macro doesn't properly work when using the "openTo" parameter and setting Hidden Docs to True
* Return the full node information when retrieving the path (rather than just the node id).
* When performing pagination, add the new nodes only if they don't exist already.
* Enhance openTo() to load the missing parent nodes (e.g. when they are 'hidden' by the pagination).
* Call the openTo() callback even if the path cannot be fully opened (some nodes don't exist).

XWIKI-11732 : The group displayer is broken in view mode

* fix test

* fix tests

* fix tests

* fix test

[Msic] Fixed test failing because of the refactoring introduced in XCOMMONS-733 (Don't mock Provider by default)

[Msic] Fixed test failing because of the refactoring introduced in XCOMMONS-733 (Don't mock Provider by default)

[Msic] Fixed test failing because of the refactoring introduced in XCOMMONS-733 (Don't mock Provider by default)