Activate CodeCov

Author: Keno

README.md

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 # DebuggerFramework
 
 [![Build Status](https://travis-ci.org/Keno/DebuggerFramework.jl.svg?branch=master)](https://travis-ci.org/Keno/DebuggerFramework.jl)
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-[![Coverage Status](https://coveralls.io/repos/Keno/DebuggerFramework.jl/badge.svg?branch=master&service=github)](https://coveralls.io/github/Keno/DebuggerFramework.jl?branch=master)
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 [![codecov.io](http://codecov.io/github/Keno/DebuggerFramework.jl/coverage.svg?branch=master)](http://codecov.io/github/Keno/DebuggerFramework.jl?branch=master)