Update CoffeeScript to 1.6.2
Update IcedCoffeeScript to 1.4.0c
Update Stylus to 0.32.1
Update Jade to 0.28.2
Update HAML to 4.0.2
Update SLIM to 1.3.6
Update SASS to sass 3.2.7, compass 0.12.2
Support CoffeeScript source maps