[Travis] Removed testing on PHP 5.3.3

.travis.yml

@@ -1,6 +1,6 @@
 language: php
 
-php: [5.3.3, 5.3, 5.4, 5.5, 5.6, 7.0, hhvm]
+php: [5.3, 5.4, 5.5, 5.6, 7.0, hhvm]
 
 matrix:
   fast_finish: true
@@ -15,7 +15,7 @@ matrix:
   - php: 5.6
     env: 'SYMFONY_VERSION=3.0.*'
     # Test lowest 2.*
-  - php: 5.3.3
+  - php: 5.3
     env: |
       COMPOSER_FLAGS="--prefer-stable --prefer-lowest"
       PHPUNIT_COVERAGE='--coverage-text --coverage-clover=coverage.clover'
@@ -33,10 +33,11 @@ before_script:
   - mkdir -p build/logs
   # Ensure symfony & twig versions
   - if [ "${SYMFONY_VERSION}" != "" ]; then composer require --no-update symfony/framework-bundle=${SYMFONY_VERSION}; fi;
+  # Setup composer
+  - composer self-update;
   # Remove fabpot/php-cs-fixer because it changes dependencies
   - composer remove --no-update --dev -n fabpot/php-cs-fixer;
   # Install packages
-  - composer self-update;
   - composer update ${COMPOSER_FLAGS} --no-interaction;
 
 script: