Another attempt on fixing CI on Qt 5.6/5.6

.travis.yml

@@ -16,14 +16,14 @@ matrix:
     compiler: gcc
     env:
      - QT_REPO="ppa:beineri/opt-qt562-trusty"
-     - QT_VERSION="qt562"
+     - QT_VERSION="qt56"
   - os: linux
     dist: trusty
     sudo: true
     compiler: gcc
     env:
      - QT_REPO="ppa:beineri/opt-qt571-trusty"
-     - QT_VERSION="qt571"
+     - QT_VERSION="qt57"
   - os: linux
     dist: trusty
     sudo: true
@@ -45,12 +45,13 @@ before_install:
          sudo apt-get update -qq;
          sudo apt-get install -qq ${QT_VERSION}base ${QT_VERSION}translations ${QT_VERSION}tools;
          sudo apt-get install -qq libsqlite3-dev libzip-dev libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev libuchardet-dev libgl1-mesa-dev;
-         source /opt/$QT_VERSION/bin/$QT_VERSION-env.sh ; export QTHOME=/opt/$QT_VERSION; 
+         ls /opt; ls /opt/qt*/bin/qt*.sh
          git clone https://github.com/datasift/libcld2; pushd libcld2 && make && sudo make install; popd;
     fi
 
 install:
-  - source /opt/${QT_VERSION}/bin/${QT_VERSION}-env.sh; 
+  - source /opt/${QT_VERSION}/bin/${QT_VERSION}-env.sh;
+  - export QTHOME=/opt/$QT_VERSION;
 
 script:
   - qmake -r