Rewrote clickScript in CoffeeScript

In the process, it's been heavily refactored.
Rewrote navigation bar script in CoffeeScript.

Nothing has really changed in the script.
Added '--no-uglify' flag to Cakefile.
Minor changes to clickScript

Rather than providing original CSS values for unit divs when resetting them, the .css() method is just given keys with empty values.
Renamed clickScript to click-script.