Travis CI. Migrating from legacy to container-based infrastructure.

--HG--
branch : develop

.travis.yml

@@ -7,18 +7,34 @@ compiler:
   - gcc
   - clang
 
-before_install:
-  # g++4.8.1
-  - if [ "$CXX" == "g++" ]; then sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test; fi
-  - sudo add-apt-repository ppa:ubuntu-sdk-team/ppa -y
-  - sudo apt-get update -qq
-  - sudo apt-get install -y qtbase5-dev libqt5svg5-dev ccache qt5-default qttools5-dev-tools libqt5xmlpatterns5-dev
-  - sudo apt-get install -y libqt5core5 libqt5gui5 libqt5printsupport5 libqt5svg5 libqt5widgets5 libqt5xml5 libqt5xmlpatterns5 xpdf
+sudo: false
 
 install:
   # g++4.8.1
-  - if [ "$CXX" = "g++" ]; then sudo apt-get install -qq g++-4.8; fi
-  - if [ "$CXX" = "g++" ]; then export CXX="g++-4.8"; fi
+  - if [ "$CXX" = "g++" ]; then export CXX="g++-4.8"  CC="gcc-4.8"; fi
+
+addons:
+  apt:
+    sources:
+    - ubuntu-toolchain-r-test
+    - ubuntu-sdk-team-ppa
+    packages:
+    - qtbase5-dev 
+    - libqt5svg5-dev 
+    - qt5-default 
+    - qttools5-dev-tools 
+    - libqt5xmlpatterns5-dev
+    - libqt5core5 
+    - libqt5gui5 
+    - libqt5printsupport5 
+    - libqt5svg5 
+    - libqt5widgets5 
+    - libqt5xml5 
+    - libqt5xmlpatterns5 
+    - xpdf
+    - gcc-4.8
+    - g++-4.8
+    - clang
 
 before_script:
   # QTestLib require GUI support for some tests