Moved register_dataset_accessor examples docs to appropriate docstring (#1416)
Moved register_dataset_accessor examples docs to appropriate docstring (#1416)


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