Travis update

Author: Dipu Raj

.travis.yml

@@ -6,6 +6,25 @@ php:
   - 5.4
   - 5.5
   - 5.6
+  - hhvm
 
 env:
-  - DB=mysql  
+  - DB=mysql  
+  
+before_script:
+  - composer self-update
+  - composer install --prefer-source --no-interaction --dev  
+  
+script: phpunit
+
+# allow_failures: Allow this build to fail under the specified environments.
+# fast_finish: If your build fails do not continue trying to build, just stop.
+matrix:
+  allow_failures:
+    - php: 5.6
+    - php: hhvm
+  fast_finish: true
+  
+notifications:
+    on_success: never
+    on_failure: never