Replaced Qt ppa

.travis.yml

@@ -25,7 +25,9 @@ before_install:
     fi
 # Building for Qt here
   - if [ "$BUILD_Qt" == "YES" ]; then
-      sudo add-apt-repository --yes ppa:ubuntu-sdk-team/ppa &&
+#      sudo add-apt-repository --yes ppa:ubuntu-sdk-team/ppa &&
+      sudo add-apt-repository "deb http://archive.ubuntu.com/ubuntu trusty universe" &&
+      sudo add-apt-repository "deb http://archive.ubuntu.com/ubuntu trusty main" &&
       sudo apt-get update -qq &&
       sudo apt-get install -qq qt5-qmake qtbase5-dev qtdeclarative5-dev qttools5-dev qtmultimedia5-dev pulseaudio libpulse-dev &&
       export QMAKE="qmake -qt=qt5";