p5-Dist-Zilla: update to 6.010.

6.010    2017-07-10 09:22:16-04:00 America/New_York
        - a few documentation improvements (thanks, Chase Whitener, Mary
          Ehlers, and Jonas B. Nielsen)
        - improve behavior under a noninteractive terminal
        - empty file finders should now consistently return []

(wiz)