.travis.yml: Set "dist" to "trusty" (#600)

DeeDeeG · web-flow · commit ac8f6aba3e4f · 2019-10-25T17:34:44.000-04:00
Should allow our CI tests to pass
while we investigate test failures on xenial and newer.
diff --git a/.travis.yml b/.travis.yml
@@ -2,6 +2,7 @@ env:
   global:
     - CC_TEST_REPORTER_ID=c18df080592f9c99ca8080a6d5e052aa5fd3964044a0fe0b71e48f8e18998dc2
 language: minimal
+dist: trusty
 services: docker
 install:
   - docker-compose build
