Revert "Travis: Attempt to enable container-based infrastructure"

This reverts commit 3256c94.

Author: jonnor

.travis.yml

@@ -1,12 +1,6 @@
 language: node_js
 services:
 - rabbitmq
-sudo: false
-addons:
-  apt:
-    packages:
-    - libsdl1.2-dev
-    - libgif-dev
 env:
   global:
   - AMAZON_API_BUCKET=the-grid-img
@@ -15,6 +9,9 @@ env:
   - secure: sMuerVUrthvDgfNGnWcvE11kKtQUNw8/VvIVAYNiYXKIjhiHKVXOvdLNca3jh1WUE7FM4R9LglqJMhgYmS+MBqY2heYaRb7FUfEk0TzK54qnYkXlEvMwmIzWYShkqqv1hqNCuwfW1IgWcVYSMSeE6JoJx+sSaBXmpYWY8AJ4raM=
 node_js:
 - '0.12'
+before_install:
+- sudo apt-get update -qq
+- sudo apt-get install libsdl1.2-dev libgif-dev
 script:
 - export IMGFLO_TESTS_PERFORMANCE=1
 - export IMGFLO_BROKER_URL=amqp://localhost