use trusty dist with travis ci (#13)

shieldo · web-flow · commit 2559f76a183a · 2017-07-28T11:17:04.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -10,3 +10,5 @@ before_script: composer install --dev --prefer-source
 
 notifications:
   email: "douglas@usemarkup.com"
+
+dist: trusty

-Original file line number
+Diff line change
 notifications:
   email: "[email protected]"
++
 +dist: trusty