Adding jade compilation for foursquare

At some point, I should probably extract the configuration to a higher
point so it can eventually be shared with asana.
Cleaning up the coffeescript formatting

This is a purely cosmetic change.
Adding stylus for css

Stylus is a bit nicer than scss and autoprefixer handles the edge
cases.
Adding foursquare panel

This removes the need for the old javascript code.
Adding build task
WOOT