[MRG] ENH: RepeatedENN n_iter_ Attribute

[MattEding]

What does this implement/fix? Explain your changes.

To mimic Scikit-Learn API of estimators that have a max_iter parameter, I have added n_iter_ as an attribute after fitting. See KMeans for such an example.

Any other comments?

Fixed typo with my name in What's New v0.6

[glemaitre]

Thanks. Could you add a test to check that max_iter is consistent with n_iter_. It allows us to check that we have the attribute. The failure is unrelated (it should be some temporary failure from the OpenML server).

[codecov]

Codecov Report

Merging #651 into master will increase coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #651      +/-   ##
==========================================
+ Coverage   98.46%   98.46%   +<.01%     
==========================================
  Files          82       82              
  Lines        4873     4881       +8     
==========================================
+ Hits         4798     4806       +8     
  Misses         75       75

Impacted Files	Coverage Δ
..._prototype_selection/_edited_nearest_neighbours.py	100% <100%> (ø)	⬆️
...n/tests/test_repeated_edited_nearest_neighbours.py	100% <100%> (ø)	⬆️

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[glemaitre]

LGTM