Resolves: rhbz#1961805 restore missing functions
    
    the commit...
    
    commit a9382edd5c0a924e2f4abad7eded14bd2baa17d9
    Date:   Fri Jan 15 23:05:11 2021 +0100
    
        Remove ant-contrib support
    
    dropped compile.res_copy target so .properties files didn't get included
    in the jar so libformula didn't use its built-in loaders so
    libreoffice's database report generator didn't show all categories in
    formula wizard