fit using LEAP global optimization method instead of scipy.optimize

[sdtaylor]

rumor has it LEAP talks nicely with dask

https://github.com/AureumChaos/LEAP

yep they totally do it

[sdtaylor]

blog post by M Rocklin about global optimization implementation

http://matthewrocklin.com/blog/work/2017/04/19/dask-glm-2

[sdtaylor]

other mainstream optimization packages

https://github.com/uqfoundation/mystic
https://esa.github.io/pygmo/index.html - python wrapper based on https://github.com/esa/pagmo2
https://github.com/perone/Pyevolve (no updates since 2015)
https://github.com/stevengj/nlopt