Merge pull request #139 from salbertson/patch-1

Add a "Reviewed by Hound" badge

Author: mdiep

README.md

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 Commandant is a Swift framework for parsing command-line arguments, inspired by [Argo](https://github.com/thoughtbot/Argo) (which is, in turn, inspired by the Haskell library [Aeson](http://hackage.haskell.org/package/aeson)).
 
+[![Reviewed by Hound](https://img.shields.io/badge/Reviewed_by-Hound-8E64B0.svg)](https://houndci.com)
+
 ## Example
 
 With Commandant, a command and its associated options could be defined as follows: