Marked HHVM as officially supported

stof · stof · commit 539a6ac0c1fb · 2015-01-23T03:44:26.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -8,8 +8,6 @@ php:
   - hhvm
 
 matrix:
-  allow_failures:
-    - php: hhvm
   include:
     - php: 5.6
       env: SYMFONY_VERSION='2.3.*'
