bug CURRIKI-4599 - rename CSS rule to subcategory-unknown_unknown
bug CURRIKI-4599 - rename CSS rule to subcategory-unknown_unknown

svn@21962

xwiki-contrib/currikiorg,xwiki-contrib/currikiorg,xwiki-contrib/currikiorg,i2geo/i2gCurrikiFork,xwiki-contrib/currikiorg,i2geo/i2gCurrikiFork,i2geo/i2gCurrikiFork,i2geo/i2gCurrikiFork,xwiki-contrib/currikiorg,i2geo/i2gCurrikiFork,xwiki-contrib/currikiorg,i2geo/i2gCurrikiFork,i2geo/i2gCurrikiFork