XWIKI-2584: Reorganize XWiki SVN for better scalability and to allow for a XWiki forge of projects * Creating the platform project. git-svn-id: https://svn.xwiki.org/svnroot/xwiki/platform/xwiki-applications/tags/xwiki-application-application-manager-1.0-milestone-1@11508 f329d543-caf0-0310-9063-dda96c69346f