0.12.1 release
0.12.1 release

jhamman/xarray,pydata/xarray,markelg/xray,xray/xray,jhamman/xarray,pydata/xarray,jhamman/xarray,chunweiyuan/xarray,markelg/xray,shoyer/xarray,markelg/xray,shoyer/xarray,jhamman/xray,shoyer/xray,pydata/xarray