add easyconfigs for Circos + deps, including Perl update

depends on https://github.com/hpcugent/easybuild-easyblocks/pull/380 and  https://github.com/hpcugent/easybuild-easyblocks/pull/425 (sort of)
no, drop that. I cannot find that old version of Moose. Why not update to 2.1209?