commits: 98373f0a1e38fee04e6d9737a1483b878f949f82

This data as json

sha	message	author_date	committer_date	raw_author	raw_committer	repo	author	committer
98373f0a1e38fee04e6d9737a1483b878f949f82	xarray.dot is now based on da.einsum (#2089) * xarray.dot is now based on da.einsum * Merge what's new * Informative error if dask version too old * Tweak test when there's no dask or wrong dask version	2018-05-04T21:50:59Z	2018-05-04T21:50:59Z	2ff6d9e74ee03928d143f0bb1557924a28d3b23d	f10b21bed2846b879806f87039b77245b18e7671	13221727	6213168	1217238