Bump Erlang and RabbitMQ on Travis CI

Author: acogoluegnes

.travis.yml

@@ -14,7 +14,7 @@ addons:
       - sourceline: deb https://packages.erlang-solutions.com/ubuntu trusty contrib
         key_url: https://packages.erlang-solutions.com/ubuntu/erlang_solutions.asc
     packages:
-      - esl-erlang=1:21.2.7-1
+      - esl-erlang=1:22.1.1-1
 branches:
   only:
     - master

bin/before_build.sh

@@ -1,8 +1,8 @@
 #!/bin/sh
 
-wget https://github.com/rabbitmq/rabbitmq-server/releases/download/v3.7.14/rabbitmq-server-generic-unix-3.7.14.tar.xz
-tar xf rabbitmq-server-generic-unix-3.7.14.tar.xz
-mv rabbitmq_server-3.7.14 rabbitmq
+wget https://github.com/rabbitmq/rabbitmq-server/releases/download/v3.8.0/rabbitmq-server-generic-unix-3.8.0.tar.xz
+tar xf rabbitmq-server-generic-unix-3.8.0.tar.xz
+mv rabbitmq_server-3.8.0 rabbitmq
 
 rabbitmq/sbin/rabbitmq-server -detached