trying container infra on travis

.travis.yml

@@ -1,10 +1,25 @@
 language: bash
+sudo: false
+env:
+- DISTRO=ubuntu-trusty
 
 before_script:
     - curl -L "https://shunit2.googlecode.com/files/shunit2-2.1.6.tgz" | tar zx
 
-    - sudo apt-get update -qq
-    - sudo apt-get install -y tmux mailutils postfix lib32gcc1 libstdc++6 libstdc++6:i386 
+addons:
+  apt:
+    sources:
+    - ubuntu-toolchain-r-test
+    packages:
+    - tmux
+    - mailutils
+    - postfix 
+    - lib32gcc1 
+    - libstdc++6 
+    - libstdc++6:i386 
+    - telnet 
+    - expect
+
 
     - mkdir /home/travis/build/dgibbs64/linuxgsm/7DaysToDie/serverfiles
     - touch /home/travis/build/dgibbs64/linuxgsm/7DaysToDie/serverfiles/serverconfig.xml