Use Trusty, add PHP 7.1 and nightly

jeremykendall · jeremykendall · commit f7cd5c20c152 · 2017-06-09T08:05:05.000-05:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,12 +1,15 @@
 language: php
+sudo: required
+dist: trusty
 
 php:
-  - 5.3
-  - 5.4
-  - 5.5
-  - 5.6
-  - 7.0
+  - '5.4'
+  - '5.5'
+  - '5.6'
+  - '7.0'
+  - '7.1'
   - hhvm
+  - nightly
 
 script: phpunit
 
