Merge pull request wpengine#169 from wpengine/use-older-travis

Add 5.2 and use dist: precise.

Author: octalmage

.travis.yml

@@ -1,10 +1,13 @@
 language: php
+dist: precise
 
 php:
+  - 5.2
   - 5.3
   - 5.5
   - 5.6
   - 7.0
+  - 7.1
 
 env:
   - WP_VERSION=latest WP_MULTISITE=0
@@ -14,7 +17,9 @@ matrix:
   include:
     - php: 5.6
       env: WP_VERSION=latest WP_MULTISITE=1
-
+  allow_failures:
+    - php: 5.2 
+    
 before_script:
   - composer install
   - npm install