Update .travis.yml

Author: pascalbaljet

.travis.yml

@@ -12,9 +12,9 @@ env:
 
 before_script:
   - sudo apt-get -qq update
-  - sudo apt-get install software-properties-common
+  - sudo apt-get install -y software-properties-common
   - sudo add-apt-repository ppa:mc3man/trusty-media
-  - sudo apt-get update
+  - sudo apt-get -qq update
   - sudo apt-get install -y ffmpeg
   - travis_retry composer self-update
   - travis_retry composer global require "hirak/prestissimo:^0.3"