[cleanup] Re-exported some documents to have them versioned in the new xwiki xml format version
XWIKI-9066: Combining authors and wikis parameter doesn't seem to work in the Activity Stream macro
- Always storing event.user as absolute reference string
- The activity macro now makes all passed author references absolute, for backwards compatibility
-- No need to specify both relative and absolute author references now in multiwiki scenarios
[cleanup] Autoformatted the file in eclipse.