[travis] Move to new infrastructure

We don't use rtmpdump in tests anyway

.travis.yml

@@ -5,9 +5,7 @@ python:
   - "3.2"
   - "3.3"
   - "3.4"
-before_install:
-  - sudo apt-get update -qq
-  - sudo apt-get install -yqq rtmpdump
+sudo: false
 script: nosetests test --verbose
 notifications:
   email: