fix codecov badge

Author: Francesco Faraone

README.md

@@ -1,6 +1,6 @@
 # Connect Command Line Interface
 
-![pyversions](https://img.shields.io/pypi/pyversions/connect-cli.svg) [![PyPi Status](https://img.shields.io/pypi/v/connect-cli.svg)](https://pypi.org/project/connect-cli/) [![Build Status](https://travis-ci.org/cloudblue/connect-cli.svg?branch=master)](https://travis-ci.org/cloudblue/connect-cli) [![codecov](https://codecov.io/gh/cloudblue/django-cqrs/branch/master/graph/badge.svg)](https://codecov.io/gh/cloudblue/django-cqrs)
+![pyversions](https://img.shields.io/pypi/pyversions/connect-cli.svg) [![PyPi Status](https://img.shields.io/pypi/v/connect-cli.svg)](https://pypi.org/project/connect-cli/) [![Build Status](https://travis-ci.org/cloudblue/connect-cli.svg?branch=master)](https://travis-ci.org/cloudblue/connect-cli) [![codecov](https://codecov.io/gh/cloudblue/connect-cli/branch/master/graph/badge.svg)](https://codecov.io/gh/cloudblue/connect-cli)
 
 
 ## Introduction