added badges for master branch
# vcf-validator
-[![Build Status](https://travis-ci.org/EBIvariation/vcf-validator.svg?branch=develop)](https://travis-ci.org/EBIvariation/vcf-validator)
-[![Build status](https://ci.appveyor.com/api/projects/status/vt4ldlwhm91e3n49/branch/develop?svg=true)](https://ci.appveyor.com/project/ebivariation-bot/vcf-validator/branch/develop)
+
+Branch | Linux/macOS | Windows
+:----: | :---------: | :-----:
+Develop | [![Build Status](https://travis-ci.org/EBIvariation/vcf-validator.svg?branch=develop)](https://travis-ci.org/EBIvariation/vcf-validator) | [![Build status](https://ci.appveyor.com/api/projects/status/vt4ldlwhm91e3n49/branch/develop?svg=true)](https://ci.appveyor.com/project/ebivariation-bot/vcf-validator/branch/develop)
+Master | [![Build Status](https://travis-ci.org/EBIvariation/vcf-validator.svg?branch=master)](https://travis-ci.org/EBIvariation/vcf-validator) | [![Build status](https://ci.appveyor.com/api/projects/status/vt4ldlwhm91e3n49/branch/master?svg=true)](https://ci.appveyor.com/project/ebivariation-bot/vcf-validator/branch/master)
Validator for the Variant Call Format (VCF) implemented using C++11.
