Change coverage to development branch

Author: mediumTaj

README.md

@@ -1,6 +1,6 @@
 # Watson Developer Cloud .NET Standard SDK
 [![Build status](https://ci.appveyor.com/api/projects/status/bcbl2ripwdmh1918/branch/development?svg=true)](https://ci.appveyor.com/project/mediumTaj/dotnet-standard-sdk/branch/development)
-[![Coverage Status](https://coveralls.io/repos/github/watson-developer-cloud/dotnet-standard-sdk/badge.svg?branch=master)](https://coveralls.io/github/watson-developer-cloud/dotnet-standard-sdk?branch=master)
+[![Coverage Status](https://coveralls.io/repos/github/watson-developer-cloud/dotnet-standard-sdk/badge.svg?branch=development)](https://coveralls.io/github/watson-developer-cloud/dotnet-standard-sdk?branch=development)
 [![wdc-community.slack.com](https://wdc-slack-inviter.mybluemix.net/badge.svg)](http://wdc-slack-inviter.mybluemix.net/)
 [![CLA assistant](https://cla-assistant.io/readme/badge/watson-developer-cloud/dotnet-standard-sdk)](https://cla-assistant.io/watson-developer-cloud/dotnet-standard-sdk)