Backed out changeset e9d3c5251bd1
revert cubcweb_eac upgrade to 0.9.0 as cubicweb-saem_ref needs a lot of changes to cubcweb_eac > 0.8.4
--HG-- branch : seda21
revert cubcweb_eac upgrade to 0.9.0 as cubicweb-saem_ref needs a lot of changes to cubcweb_eac > 0.8.4
--HG-- branch : seda21