Didn't realize we already had a Travis build badge on the main page

Author: hollance

README.markdown

@@ -1,7 +1,5 @@
 # Welcome to the Swift Algorithm Club!
 
-[![Build Status](https://travis-ci.org/hollance/swift-algorithm-club.svg?branch=master)](https://travis-ci.org/hollance/swift-algorithm-club)
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 Here you'll find implementations of popular algorithms and data structures in everyone's favorite new language Swift, with detailed explanations of how they work.
 
 If you're a computer science student who needs to learn this stuff for exams -- or if you're a self-taught programmer who wants to brush up on the theory behind your craft -- you've come to the right place!
@@ -208,4 +206,4 @@ Other algorithm repositories:
 
 All content is licensed under the terms of the MIT open source license.
 
-[![Build Status](https://travis-ci.org/hollance/swift-algorithm-club.svg)](https://travis-ci.org/hollance/swift-algorithm-club)
+[![Build Status](https://travis-ci.org/hollance/swift-algorithm-club.svg?branch=master)](https://travis-ci.org/hollance/swift-algorithm-club)