Travis doesn’t support Xenial, back to Trusty

jonblatho · web-flow · commit 11351084b4cd · 2018-07-23T22:20:33.000-05:00
diff --git a/.travis.yml b/.travis.yml
@@ -5,7 +5,7 @@ osx_image: xcode9.4
 script: swift build
 language: generic
 sudo: required
-dist: xenial
+dist: trusty
 
 env:
   global:
