Update badges

Author: garyb

README.md

@@ -1,8 +1,7 @@
 # purescript-argonaut-codecs
 
-[![Latest release](http://img.shields.io/bower/v/purescript-argonaut-codecs.svg)](https://github.com/slamdata/purescript-argonaut-codecs/releases)
+[![Latest release](http://img.shields.io/github/release/purescript-contrib/purescript-argonaut-codecs.svg)](https://github.com/slamdata/purescript-argonaut-codecs/releases)
 [![Build Status](https://travis-ci.org/purescript-contrib/purescript-argonaut-codecs.svg?branch=master)](https://travis-ci.org/purescript-contrib/purescript-argonaut-codecs)
-[![Dependency Status](https://www.versioneye.com/user/projects/563a92d21d47d400150008b6/badge.svg?style=flat)](https://www.versioneye.com/user/projects/563a92d21d47d400150008b6)
 [![Maintainer: slamdata](https://img.shields.io/badge/maintainer-slamdata-lightgrey.svg)](http://github.com/slamdata)
 
 `EncodeJson` and `DecodeJson` classes and instances, useful combinators for encoding and decoding `Json` values.