Switch Travis build to Xenial

Also explicitly start the mysql and pgsql services, as these are
no longer running by default.

diff --git a/.travis.yml b/.travis.yml
index e2609e474ee74b97ce86efb4a2dd6d694f8820f1..f37114d198550313430864c1223ec9d0d0f8ed6c 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,4 @@
-dist: trusty
+dist: xenial
 language: c
 sudo: required
 addons:
@@ -18,6 +18,11 @@ addons:
       - libxpm-dev
       - libzip-dev
 
+
+services:
+  - mysql
+  - postgresql
+
 notifications:
     email: 
        on_failure: change