Fixed Travis CI image from readme.

Joshua Murray · Joshua Murray · commit bfe4a68fde7a · 2012-12-17T13:12:46.000-06:00
diff --git a/README.md b/README.md
@@ -1,4 +1,4 @@
-[![Build Status](https://travis-ci.org/sparkapi/sparkapi4p2.png)](https://travis-ci.org/sparkapi/sparkapi4p2)
+[![Build Status](https://travis-ci.org/sparkapi/sparkapi4p2.png?branch=master)](https://travis-ci.org/sparkapi/sparkapi4p2)
 
 Spark API - version 2
 =====================

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-[![Build Status](https://travis-ci.org/sparkapi/sparkapi4p2.png)](https://travis-ci.org/sparkapi/sparkapi4p2)`
	`1`	`+[![Build Status](https://travis-ci.org/sparkapi/sparkapi4p2.png?branch=master)](https://travis-ci.org/sparkapi/sparkapi4p2)`
`2`	`2`
`3`	`3`	`Spark API - version 2`
`4`	`4`	`=====================`