message: simplify travis install for sonar
diff: @@ -63,13 +63,10 @@ jobs:
  - libxinerama-dev
  - libxcursor-dev
  - libxi-dev
  - before_script:
  - - mkdir $TRAVIS_BUILD_DIR/3rdparty
  - - cd $TRAVIS_BUILD_DIR/3rdparty
  + install:
  - wget https://sonarqube.com/static/cpp/build-wrapper-linux-x86.zip
  - unzip build-wrapper-linux-x86.zip
  - export PATH=$PWD/build-wrapper-linux-x86:$PATH
  - - cd $TRAVIS_BUILD_DIR
  script:
  - mkdir build
  - cd build
  