Updated travis config

GrahamCampbell · GrahamCampbell · commit c50e5e0d839d · 2015-08-10T16:00:13.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,12 +1,15 @@
 language: php
 
 php:
+  - 5.5.9
   - 5.5
   - 5.6
+  - 7.0
   - hhvm
 
-before_script:
-  - travis_retry composer self-update
+sudo: false
+
+install:
   - travis_retry composer install --no-interaction --prefer-source
 
 script:
