cd ~/Library/Application\ Support/Sublime\ Text\ 2/Packages
git clone git://github.com/jashkenas/coffee-script-tmbundle CoffeeScript
git clone https://github.com/miksago/jade-tmbundle.git Jade
git clone https://github.com/LearnBoost/stylus.git Stylus
If it hasn't worked, try closing and reopening any saved tabs.
LearnBoost has apparently been acquired by another company, so the new link for Stylus is https://github.com/stylus/stylus