fix travis ci readme badge

README.md

@@ -1,7 +1,7 @@
 ![MuseScore](mscore/data/musescore_logo_full.png)  
  Music notation and composition software
 
-[![Travis CI](https://secure.travis-ci.org/musescore/MuseScore.svg)](https://travis-ci.org/musescore/MuseScore)
+[![Travis CI](https://secure.travis-ci.org/musescore/MuseScore.svg?branch=master)](https://travis-ci.org/musescore/MuseScore)
 [![Appveyor](https://ci.appveyor.com/api/projects/status/bp3ww6v985i64ece/branch/master?svg=true)](https://ci.appveyor.com/project/MuseScore/musescore/branch/master)
 [![License: GPL v2](https://img.shields.io/badge/License-GPL%20v2-blue.svg)](https://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
 
@@ -128,4 +128,4 @@ To run the debug version, type:
 ### Testing
 See [mtest/README.md](/mtest/README.md) or [the developer handbook](https://musescore.org/handbook/developers-handbook/finding-your-way-around/automated-tests) for instructions on how to run the test suite.
 
-The new [script testing facility](https://musescore.org/node/278278) is also available to create your own automated tests. Please try it out!
+The new [script testing facility](https://musescore.org/node/278278) is also available to create your own automated tests. Please try it out!