Merge pull request #204 from GrahamCampbell/patch-1

Removed hhvm from allow failures

.travis.yml

@@ -17,7 +17,3 @@ before_script:
   - composer install --no-interaction --prefer-source --dev
 script:
   - vendor/bin/phpunit -c phpunit.xml.travisci
-matrix:
-  allow_failures:
-    - php: hhvm
-  fast_finish: true