extend CoffeeScript.sublime-settings setting: 'compilePaths' can use relative path.
the file compile will auto detect project folder to absolute path and join with 'compilePath'.

### Example
"compileDir": "out",
"compilePaths":
{
	"src/coffee/libs" : "app/libs",
	"src/coffee/scripts" : "app/scripts"
}
##
in the 'compilePaths' path would mapping.
not in the 'compilePath' would compile to 'compileDir'