Attempting to fix deployment broken by upstream travis-ci

.travis.yml

@@ -1,5 +1,7 @@
 sudo: true
-language: c
+language: ruby
+rvm:
+  - 1.9.3
 before_install:
 - sudo apt-get update -qq
 - sudo apt-get install -qq genisoimage liblzma-dev syslinux