id,node_id,number,state,locked,title,user,body,created_at,updated_at,closed_at,merged_at,merge_commit_sha,assignee,milestone,draft,head,base,author_association,auto_merge,repo,url,merged_by
191585858,MDExOlB1bGxSZXF1ZXN0MTkxNTg1ODU4,2204,closed,0,update minimum versions and associated code cleanup,2443309," - [x] closes #2200, closes #1829, closes #2203 
 - [x] Tests passed (for all non-documentation changes)
 - [x] Fully documented, including `whats-new.rst` for all changes and `api.rst` for new API (remove if this change should not be visible to users, e.g., if it is an internal clean-up, or if this is part of a larger project that will be documented later)

This updates the following minimum versions:

- numpy: 1.11 (Mar 27, 2016) --> 1.12 (Jan 15, 2017)
- pandas: 0.18 (Mar 11, 2016) --> 0.19 (Oct 2, 2016)
- dask: 0.9 (May 10, 2016) -->  0.16

and drops our tests for python 3.4.
",2018-05-30T21:27:14Z,2018-07-08T00:55:36Z,2018-07-08T00:55:32Z,2018-07-08T00:55:31Z,1688a59803786a9d88eeb43aa4c935f7052d6a80,,2856429,0,b8aa4c082095d30c0a116c4d0fea0c9d39999328,448c3f1ae919f94a2b594eaeb91c6fd950eca43f,MEMBER,,13221727,https://github.com/pydata/xarray/pull/2204,