chore: fix TravisCI badge

Author: lidel

README.md

@@ -1,7 +1,7 @@
 is-ipfs
 ====
 
-[![build status](https://secure.travis-ci.org/xicombd/is-ipfs.svg)](http://travis-ci.org/xicombd/is-ipfs)
+[![build status](https://secure.travis-ci.org/ipfs/is-ipfs.svg)](http://travis-ci.org/ipfs/is-ipfs)
 [![dignified.js](https://img.shields.io/badge/follows-dignified.js-blue.svg?style=flat-square)](https://github.com/dignifiedquire/dignified.js)
 
 A set of utilities to help identify [IPFS](https://ipfs.io/) resources.