Added label icon to Travis status

Not everyone might recognize Travis status

Author: philipgura

README.md

@@ -2,8 +2,10 @@
   <img src="http://www.numpy.org/_static/numpy_logo.png"><br>
 </div>
 -----------------
+|  **`Travis CI Status`**   |
+|-------------------|
+|[![Travis](https://img.shields.io/travis/numpy/numpy.svg)](https://travis-ci.org/numpy/numpy)|
 
-[![Travis](https://img.shields.io/travis/numpy/numpy.svg)](https://travis-ci.org/numpy/numpy) 
 
 NumPy is the fundamental package needed for scientific computing with Python.
 This package contains: