Update async to 0.2.6
Update versions of commander, glob, mkdirp, minimatch, underscore
Update to uglify-js 2.2.5
Use the 'send' module for serving assets rather than connect's 'static' middleware. Fixes #6
Minify all CSS with ycssmin not just LESS/stylus. Fixes #4
Bump version to 0.2.3