Update .travis.yml
Update .travis.yml

Let's see how high we can go... :)
jordonbiondo/node-libxl,jordonbiondo/node-libxl,DirtyHairy/node-libxl,jordonbiondo/node-libxl,DirtyHairy/node-libxl,DirtyHairy/node-libxl,DirtyHairy/node-libxl,jordonbiondo/node-libxl