.mailmap

<enewberry@email.arizona.edu> <enewberry@cs.arizona.edu>
<git@mail1.yoursunny.com> <sjx@a.integ.ndn-routing.emulab.net>
<davidepesa@gmail.com> <davide.pesavento@lip6.fr>
<lybmath2009@gmail.com> <lybmath@ucla.edu>