Update Twitter Model for Upload Photo

via https://github.com/Constellation/taberareloo/pull/258
    https://github.com/Constellation/taberareloo/commit/fbeb10a61c37a1ec8d964116ccfc29e3ee54bcd9
    https://plus.google.com/109448778834120388056/posts/ZaVHH2ertCw
    https://gist.github.com/YungSang/9205023
    https://plus.google.com/109448778834120388056/posts/LtDD5HrnyrX

Thanks, YungSang!