Merge pull request #517 from mathieujobin/patch-1

Add rubygems badge

README.md

+[![Gem Version](https://badge.fury.io/rb/paranoia.svg)](https://badge.fury.io/rb/paranoia)
+
 **Notice:** 
 **Notice:** 
 
 
 `paranoia` has some surprising behaviour (like overriding ActiveRecord's `delete` and `destroy`) and is not recommended for new projects. See [`discard`'s README](https://github.com/jhawthorn/discard#why-not-paranoia-or-acts_as_paranoid) for more details.
 `paranoia` has some surprising behaviour (like overriding ActiveRecord's `delete` and `destroy`) and is not recommended for new projects. See [`discard`'s README](https://github.com/jhawthorn/discard#why-not-paranoia-or-acts_as_paranoid) for more details.