travis: install jinja2
travis: install jinja2

allisony/pyspeckit,dinossimpson/pyspeckit,low-sky/pyspeckit,pyspeckit/pyspeckit,bsipocz/pyspeckit,mikelum/pyspeckit,keflavich/pyspeckit,e-koch/pyspeckit,dinossimpson/pyspeckit,vlas-sokolov/pyspeckit,allisony/pyspeckit,pyspeckit/pyspeckit,jpinedaf/pyspeckit,mikelum/pyspeckit,low-sky/pyspeckit,e-koch/pyspeckit,bsipocz/pyspeckit,keflavich/pyspeckit,vlas-sokolov/pyspeckit,jpinedaf/pyspeckit