docs(README): add Travis CI build status button to README

ShMcK · ShMcK · commit 502949d31c0c · 2016-10-18T14:22:55.000-07:00
diff --git a/README.md b/README.md
@@ -1,3 +1,4 @@
+[![Travis-CI](https://travis-ci.org/coderoad/core-coderoad.svg?branch=master)](https://travis-ci.org/coderoad/core-coderoad)
 [![npm](https://img.shields.io/npm/dt/core-coderoad.svg)](https://registry.npmjs.org/core-coderoad)
 [![Commitizen friendly](https://img.shields.io/badge/commitizen-friendly-brightgreen.svg)](http://commitizen.github.io/cz-cli/)
 

Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,4 @@`
	`1`	`+[![Travis-CI](https://travis-ci.org/coderoad/core-coderoad.svg?branch=master)](https://travis-ci.org/coderoad/core-coderoad)`
`1`	`2`	`[![npm](https://img.shields.io/npm/dt/core-coderoad.svg)](https://registry.npmjs.org/core-coderoad)`
`2`	`3`	`[![Commitizen friendly](https://img.shields.io/badge/commitizen-friendly-brightgreen.svg)](http://commitizen.github.io/cz-cli/)`
`3`	`4`