Update README.md

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README.md

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-Tango [![Circle CI](https://circleci.com/gh/autolab/Tango.svg?style=svg)](https://circleci.com/gh/autolab/Tango)
+Tango
 ======
 
 Tango is a standalone RESTful Web service that runs and manages jobs. A job is a set of files that must satisfy the following constraints: