Unify and fix parametrized metrics + add missing keywords to tests#135

Closed

devmotion wants to merge 7 commits intoJuliaStats:masterfrom devmotion:peuclidean

+307-381

Commits on May 28, 2019

Simplify PeriodicEuclidean
devmotion
committed

Commits on May 29, 2019

Commits on May 30, 2019