Add a bit more documentation about the coffeeScriptVersion  parameter

Signed-off-by: Clement Escoffier <clement.escoffier@gmail.com>
Fix #140

Signed-off-by: Clement Escoffier <clement.escoffier@gmail.com>
Test the less mojo.

Signed-off-by: Clement Escoffier <clement.escoffier@gmail.com>
Fix #139

Signed-off-by: Clement Escoffier <clement.escoffier@gmail.com>
Add missing license header.

Signed-off-by: Clement Escoffier <clement.escoffier@gmail.com>