added README.md in preperation of travis integration

README.md

+# bio-rd
+
+[![Build Status](https://travis-ci.org/bio-routing/bio-rd.svg?branch=master)](https://travis-ci.org/bio-routing/bio-rd)
+[![Go ReportCard](http://goreportcard.com/badge/bio-routing/bio-rd)](http://goreportcard.com/report/bio-routing/bio-rd)
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