Repair build for php 5.3.3

Author: gn36

.travis.yml

@@ -42,6 +42,8 @@ branches:
     - /^develop-.*$/
 
 install:
+  - if [ "${TRAVIS_PHP_VERSION}" = '5.3.3' ]; then composer config -g disable-tls true; fi;
+  - if [ "${TRAVIS_PHP_VERSION}" = '5.3.3' ]; then composer config -g secure-http false; fi;
   - composer install --dev --no-interaction --prefer-source
   - chmod +x travis/prepare-phpbb.sh
   - travis/prepare-phpbb.sh $EXTNAME $PHPBB_BRANCH