update timezone for hhvm + coveralls

.travis.yml

@@ -8,7 +8,7 @@ php:
 
 before_script:
   - sh -c 'if [ "$TRAVIS_PHP_VERSION" != "hhvm" ]; then phpenv config-add .travis.php.ini; fi;'
-  - if [[ "$TRAVIS_PHP_VERSION" == hhvm* ]]; then echo -e '\nhhvm.libxml.ext_entity_whitelist = "file"' | sudo tee -a /etc/hhvm/php.ini; fi
+  - if [[ "$TRAVIS_PHP_VERSION" == hhvm* ]]; then echo -e '\nhhvm.libxml.ext_entity_whitelist = "file"\n  - if [[ "$TRAVIS_PHP_VERSION" == hhvm* ]]; then echo -e '\nhhvm.libxml.ext_entity_whitelist = "file"\ndate.timezone = "UTC"' | sudo tee -a /etc/hhvm/php.ini; fi' | sudo tee -a /etc/hhvm/php.ini; fi
   - composer self-update
   - composer install --dev --no-interaction
   - mkdir -p build/logs