Install and use haveged to further blunt some rand issues.

headius · headius · commit eae124d7354b · 2018-01-24T08:55:25.000-06:00
diff --git a/.travis.yml b/.travis.yml
@@ -117,8 +117,10 @@ notifications:
 
 services:
   - redis-server
+  - haveged
 
 addons:
   apt:
     packages:
       - oracle-java9-installer
+      - haveged
