move sortkey character cleanup out of Diacritics list, new tools function CleanSortKey, call this instead of RemoveDiacritics for sortkey changes

git-svn-id: svn://svn.code.sf.net/p/autowikibrowser/code@9353 5227b50d-9349-4574-b055-4b0a7525e11c
code doc

git-svn-id: svn://svn.code.sf.net/p/autowikibrowser/code@9354 5227b50d-9349-4574-b055-4b0a7525e11c