Merge pull request #173 from atouchet/travis

Update Travis CI URL

[ci skip]

Author: Pascal Hertleif

Readme.md

@@ -2,7 +2,7 @@
 
 The goal of this tool is to read and apply the suggestions made by rustc.
 
-[![Build Status](https://travis-ci.org/rust-lang-nursery/rustfix.svg?branch=master)](https://travis-ci.org/rust-lang-nursery/rustfix)
+[![Build Status](https://travis-ci.com/rust-lang-nursery/rustfix.svg?branch=master)](https://travis-ci.com/rust-lang-nursery/rustfix)
 [![Build status](https://ci.appveyor.com/api/projects/status/g8ljreo9ryu3s6ee/branch/master?svg=true)](https://ci.appveyor.com/project/rust-lang-libs/rustfix/branch/master)
 
 ## Current status