Journal of Open Source Software (JOSS): design and first-year review by Smith, AM, Niemeyer, KE, Katz, DS, Barba, LA, Githinji, G, Gymrek, M, Huff, KD, Madan, CR, Mayes, AC, Moerman, KM, Prins, P, Ram, K, Rokem, A, Teal, TK, Guimera, RV, Vanderplas, JT