Included CodeCov badge

Author: Tyson Barrett

README.md

@@ -2,7 +2,7 @@
 [![Rdoc](http://www.rdocumentation.org/badges/version/furniture)](http://www.rdocumentation.org/packages/furniture)
 [![Downloads](http://cranlogs.r-pkg.org/badges/grand-total/furniture)](http://cranlogs.r-pkg.org/badges/grand-total/furniture)
 [![Build Status](https://travis-ci.org/TysonStanley/furniture.svg?branch=master)](https://travis-ci.org/TysonStanley/furniture)
-[![Codecov branch](https://img.shields.io/codecov/c/github/codecov/tysonstanley/master.svg?maxAge=2592000)](https://codecov.io/github/tysonstanley/furniture?branch=master)
+[![codecov](https://codecov.io/gh/tysonstanley/furniture/branch/master/graph/badge.svg)](https://codecov.io/gh/tysonstanley/furniture)
 
 # furniture