Add NRSur7dq4 data
Data for the surrogate model described in https://arxiv.org/abs/1905.09300. This is needed for the soon to start review: https://git.ligo.org/waveforms/reviews/nrsur7dq4
Data for the surrogate model described in https://arxiv.org/abs/1905.09300. This is needed for the soon to start review: https://git.ligo.org/waveforms/reviews/nrsur7dq4