XWIKI-8263: Allow providing translations in a jar extension
XWIKI-8687: Allow the user to specify the previously installed UI when upgrading from very old versions
* Make it work when JavaScript is disabled.
XWIKI-8630 : Failed to create wiki component(s) during default XAR import

Back to the previous behavior, wiki components can be re-registered, it's up to the CM to throw an error if it happens.
XWIKI-8694: Hidden display mode doesn't work anymore for date, user and group fields
* Add support for 'hidden' mode in the custom displayes of date, user and group field types.
Merge branch 'master' into feature-localizationjar
XWIKI-8263: Allow providing translations in a jar extension
XWIKI-8695: Blog pages should not set template field
XWIKI-8696: Search suggestions for the "User Name" field from the "Workspace Users" administration page don't appear correctly
* Merge the changes done to XWiki.XWikiGroupSheet for XWIKI-4022 (Improve users/groups list field displayer) in XWiki.WorkspaceUsers
* Add the ability to add/invite multiple users as once.
* Remove the custom XWiki.XWikiGroupSheet from the workspace template (some features were not working and keeping it synchronized with the original version is hard).
XWIKI-8696: Search suggestions for the "User Name" field from the "Workspace Users" administration page don't appear correctly
* Update section header.
XWIKI-8702: Success Message macro does not have translation keys
XWIKI-8701: Display macro does not have translation keys
XWIKI-8700: Comment macro does not have translation keys
XWIKI-8699: Cache macro does not have translation keys
XWIKI-8692: Add a cache to link extension id to document
Fix dependency issue
XWIKI-8690: Make sure all index reader and writers in the lucene plugin are explicitly closed.
XWIKI-8704: The javadoc filter on api package in oldcore is way too restrictive
XE-1274: Attachment Selector macro does not have translation keys
XE-1275: Message Sender macro does not have translation keys
Doing it in ApplicationResources for now but a proper translation file for XE need to be created instead
XWIKI-8599: Object Editor displays unrendered HTML as property value for objects that contain users/groups list field displayer
* Don't render the value of the first object field in the object 'title'. Show the first 120 characters of the first line of its raw value instead.
XWIKI-8681: XWikiAttachmentContent on-disk file cache leak open file descriptors

    - fix file descriptor left opened after duplicating an attachment content
    - avoid creating useless files and file descriptors for still empty attachment content
    - ensure attachment content properly set their FileSize into their parent records (not just when duplicated)
XWIKI-8697: Notification widget should have a callback function that gets called when the notification hides Done.
Merge pull request #81 from mkozakov/XWIKI-8697

XWIKI-8697: Notification widget should have a callback function that gets called when the notification hides
Done.
XWIKI-8709: Failing to exclude modified document notifications from other subwikis in the IRC Bot
XWIKI-8709: Failing to exclude modified document notifications from other subwikis in the IRC Bot
* Fix script