Merge pull request #9 from Spateof-io/update-travis-Qt-5.6.1

update the Qt version to 5.6.1 in travis

Author: Issam-Wakidi

.travis.yml

@@ -4,7 +4,7 @@ language: generic
 
 install:
   - sudo add-apt-repository -y ppa:beineri/opt-qt551-trusty
-  - sudo add-apt-repository -y ppa:beineri/opt-qt56-trusty
+  - sudo add-apt-repository -y ppa:beineri/opt-qt561-trusty
   - sudo apt-get update
   - sudo apt-get -y install pep8 pyflakes python python-pip npm nodejs nodejs-legacy
   - sudo apt-get -y install qt55declarative qt55quickcontrols qt55graphicaleffects qt55tools qt55svg