bobkopp/LocalizeSL: 3.0

This release includes features developed for

D. J. Rasmussen, K. Bittermann, M. K. Buchanan, S. Kulp, 
B. H. Strauss, R. E. Kopp, and M. Oppenheimer (2018). Extreme
sea level implications of 1.5 °C, 2.0 °C, and 2.5 °C temperature
stabilization targets in the 21st and 22nd centuries. 
Environmental Research Letters 13, 034040. doi: 10.1088/1748-9326/aaac87.

and

J. L. Bamber, M. Oppenheimer, R. E. Kopp, W. Aspinall and 
R. M. Cooke (2019). Ice sheet contributions to future sea level 
rise from structured expert judgement. Proceedings of the 
National Academy of Sciences. doi: 10.1073/pnas.1817205116.

The scripts directory has been restructured. Generic scripts for producing projections from corefiles associated with different publications are now in scripts/generic.