Update .gitlab-ci.yml

.gitlab-ci.yml

 image: ruby:2.3
 
 before_script:
-  - apt-get update -qq && apt-get install -y -qq libbluetooth-dev cmake valgrind qt5-default qt4-default 
+  - apt-get update -qq && apt-get install -y -qq libbluetooth-dev cmake valgrind qt4-default qtbase5-dev qt5-qmake qtbase5-dev-tools
   - ln -s /usr/lib/x86_64-linux-gnu/qt5/bin/qmake /bin/qmake-qt5 # QT hack
-  - ln -s /usr/lib/x86_64-linux-gnu/qt4/bin/qmake /bin/qmake # QT hack
 
 stages:
   - build