codecov badge [skip ci]

Author: championswimmer

README.md

@@ -1,9 +1,12 @@
 # JUDGE API SERVER
 
 [![Greenkeeper badge](https://badges.greenkeeper.io/coding-blocks/judge-api.svg)](https://greenkeeper.io/)
+
 [![CircleCI](https://circleci.com/gh/coding-blocks/judge-api.svg?style=svg)](https://circleci.com/gh/coding-blocks/judge-api)
 [![Build Status](https://travis-ci.org/coding-blocks/judge-api.svg?branch=master)](https://travis-ci.org/coding-blocks/judge-api)
-[![Codecov](https://img.shields.io/codecov/c/github/coding-blocks/judge-api.svg)](https://codecov.io/gh/coding-blocks/judge-api)
+[![codecov](https://codecov.io/gh/coding-blocks/judge-api/branch/master/graph/badge.svg)](https://codecov.io/gh/coding-blocks/judge-api)
+
+
 
 ## Testing