Add a before_install directive to .travis.yml to update npm
Add a before_install directive to .travis.yml to update npm

cjthompson/node-tryfer,cjthompson/node-tryfer,niels4/node-tryfer,tryfer/node-tryfer,niccaluim/node-tryfer,betable/node-tryfer,niels4/node-tryfer,tryfer/node-tryfer,tryfer/node-tryfer,cjthompson/node-tryfer,betable/node-tryfer,niccaluim/node-tryfer,niels4/node-tryfer,betable/node-tryfer,niccaluim/node-tryfer