to better differentiate between include definitions (the ones defined in includes.xml etc.)
and include references (elsewhere in your xml files), we have changed the syntax for referencing includes.
this mainly effects include references that use params.
forum thread: http://forum.kodi.tv/showthread.php?tid=259585
git commit: https://github.com/xbmc/xbmc/pull/9114/c...32a8be75e7
pull request: https://github.com/xbmc/xbmc/pull/9114