XWIKI-3137 : Move calendar core plugin to its own plugin XATAG-1 : Create initial version of the tag application
XWIKI-3137 : Move calendar core plugin to its own plugin
XATAG-1 : Create initial version of the tag application

Removed calendar plugin from XE xwiki.cfg.
Added tag plugin to XE xwiki.cfg.

git-svn-id: cf27bad30c6b7316185bdac65b014e8c16cd40b6@15692 f329d543-caf0-0310-9063-dda96c69346f

xwiki/xwiki-enterprise,xwiki/xwiki-enterprise