DOC: xray -> xarray
@shoyer just came across this in the docs. These should be the only (remaining) mentions of xray

thanks!
 Indeed, thanks!
On Mon, Feb 22, 2016 at 8:45 AM Jeff Reback notifications@github.com
wrote:

> Closed #12419 https://github.com/pydata/pandas/pull/12419 via cb3b63f
> https://github.com/pydata/pandas/commit/cb3b63f46c6f63645ae3741617812ed3e0312973
> .
> 
> —
> Reply to this email directly or view it on GitHub
> https://github.com/pydata/pandas/pull/12419#event-559941190.
