Update travis url in README

Author: alexcrichton

README.md

@@ -3,7 +3,7 @@ glob
 
 Support for matching file paths against Unix shell style patterns.
 
-[![Build Status](https://travis-ci.org/rust-lang/glob.svg?branch=master)](https://travis-ci.org/rust-lang/glob)
+[![Build Status](https://travis-ci.org/rust-lang-nursery/glob.svg?branch=master)](https://travis-ci.org/rust-lang-nursery/glob)
 
 [Documentation](https://doc.rust-lang.org/glob)