❌ Replace codacy coverage with coverall coverage (it's prettier)

README.md

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 # Starter Weppy
 [![Build Status](https://travis-ci.org/mijdavis2/starter_weppy.svg?branch=master)](https://travis-ci.org/mijdavis2/starter_weppy)
 [![Codacy Badge](https://api.codacy.com/project/badge/Grade/3e6e8b44b40a4f12937557a794b7d6a3)](https://www.codacy.com/app/mdavis/starter_weppy?utm_source=github.com&utm_medium=referral&utm_content=mijdavis2/starter_weppy&utm_campaign=Badge_Grade)
-[![Codacy Badge](https://api.codacy.com/project/badge/Coverage/3e6e8b44b40a4f12937557a794b7d6a3)](https://www.codacy.com/app/mdavis/starter_weppy?utm_source=github.com&utm_medium=referral&utm_content=mijdavis2/starter_weppy&utm_campaign=Badge_Coverage)
+[![Coverage Status](https://coveralls.io/repos/github/mijdavis2/starter_weppy/badge.svg?branch=master)](https://coveralls.io/github/mijdavis2/starter_weppy?branch=master)
+
 Starter Weppy is a python web application starter kit built on the [weppy framework](https://github.com/gi0baro/weppy). 
 Current version is based on Weppy 0.6 with an MVC scaffolding. 
 An api module, dev mode, and 100% test coverage are included out of the box.