Merge pull request #15 from XhmikosR/master

Minor improvements by XhmikosR
Revert ".travis.yml: Fix node.js 0.8 version."

Should keep testing Node 0.8 for just a little while longer.

This reverts commit 5cd847178e832114cea97a5c9fcc5f76adc4b9d8.
Remove global CoffeeScript requirement. Upgrade CoffeeScript to 1.7. Fixes #11
Revert the reversion, since I'm an idiot.

This reverts commit 27a9882fb814c1d9c96c2eb70336f7c4340010e6.
Explicitly install files with npm.