Cleanup travis.yml

Author: jamo

.travis.yml

@@ -10,8 +10,8 @@ cache:
     - $HOME/.m2
 
 before_script:
-  - "export DISPLAY=:99.0"
-  - "sh -e /etc/init.d/xvfb start"
+  - export DISPLAY=:99.0
+  - sh -e /etc/init.d/xvfb start
   - sleep 3 # give xvfb some time to start
   - wget http://download.netbeans.org/netbeans/8.0.2/final/zip/netbeans-8.0.2-201411181905.zip -O netbeans.zip
   - unzip -q netbeans.zip