py-milk: add eigen3 dependency


git-svn-id: http://svn.macports.org/repository/macports/trunk/dports@101350 d073be05-634f-4543-b044-5fe20cf6d1d6
py-celery: update to version 3.0.13


git-svn-id: http://svn.macports.org/repository/macports/trunk/dports@101351 d073be05-634f-4543-b044-5fe20cf6d1d6