travis build with numpy 1.7 also
travis build with numpy 1.7 also

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