Fix badges

Author: Ch4s3

README.markdown

@@ -1,11 +1,8 @@
 # Classifier Reborn
 
-[![Gem Version](https://img.shields.io/gem/v/classifier-reborn.svg)][ruby-gems]
-[![Build Status](https://img.shields.io/travis/jekyll/classifier-reborn/master.svg)][travis]
-[![Dependency Status](https://img.shields.io/gemnasium/jekyll/classifier-reborn.svg)][gemnasium]
-[ruby-gems]: https://rubygems.org/gems/classifier-reborn
-[gemnasium]: https://gemnasium.com/jekyll/classifier-reborn
-[travis]: https://travis-ci.org/jekyll/classifier-reborn
+[![Gem Version](https://badge.fury.io/rb/classifier-reborn.svg)](https://rubygems.org/gems/classifier-reborn)
+[![Build Status](https://img.shields.io/travis/jekyll/classifier-reborn/master.svg)](https://travis-ci.org/jekyll/classifier-reborn)
+[![Dependency Status](https://img.shields.io/gemnasium/jekyll/classifier-reborn.svg)](https://gemnasium.com/jekyll/classifier-reborn)
 
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