travis added x11 deps

Author: pythoneer

.travis.yml

@@ -1,7 +1,7 @@
 before_install:
     - sudo add-apt-repository --yes ppa:ubuntu-sdk-team/ppa
     - sudo apt-get update -qq
-    - sudo apt-get install -qq qt5-qmake qtbase5-dev qtdeclarative5-dev libqt5webkit5-dev libsqlite3-dev
+    - sudo apt-get install -qq qt5-qmake qtbase5-dev qtdeclarative5-dev libqt5webkit5-dev libsqlite3-dev libx11-dev libxtst-dev
 script:
     - qmake -qt=qt5 -v
     - qmake -qt=qt5 XInputSimulator/