removed scipy dependency from mpfit
removed scipy dependency from mpfit

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