update badges

README.md

@@ -4,8 +4,11 @@
     src="https://user-images.githubusercontent.com/6550035/46709024-9b23ad00-cbf6-11e8-9fb2-ca8b20b7dbec.jpg"
     width="408px" border="0" alt="croc">
 <br>
+<a href="https://travis-ci.org/schollz/croc"><img
+src="https://img.shields.io/travis-ci/schollz/croc.svg?style=flat-square" alt="Build
+Status"></a> 
 <a href="https://github.com/schollz/croc/releases/latest"><img src="https://img.shields.io/badge/version-4.0.1-brightgreen.svg?style=flat-square" alt="Version"></a>
-<a href="https://saythanks.io/to/schollz"><img src="https://img.shields.io/badge/Say%20Thanks-!-yellow.svg?style=flat-square" alt="Go Report Card"></a>
+<a href="https://saythanks.io/to/schollz"><img src="https://img.shields.io/badge/Say%20Thanks-!-brightgreen.svg?style=flat-square" alt="Say thanks"></a>
 </p>