added memcached service to travis

Nyholm · Nyholm · commit c3bf4b31199a · 2016-01-03T02:57:26.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -6,6 +6,9 @@ php:
 
 sudo: false
 
+services:
+  - memcached
+
 matrix:
   fast_finish: true
 
