refactoring: use getter/setter everywhere when manipulating class fields.
refactoring: use getter/setter everywhere when manipulating class fields.

git-svn-id: cfa2b40e478804c47c05d0f328c574ec5aa2b82e@3844 f329d543-caf0-0310-9063-dda96c69346f

xwiki/xwiki-platform,xwiki/xwiki-platform,xwiki/xwiki-platform,pbondoer/xwiki-platform,pbondoer/xwiki-platform,pbondoer/xwiki-platform,xwiki/xwiki-platform,pbondoer/xwiki-platform,pbondoer/xwiki-platform,xwiki/xwiki-platform