replaced "url_for()" with actual path to static files.  - this is to eliminate dependency between front-end code and Flask. So front-end guys can do front-end coding without setting up python environment, which might be unfamiliar to them.
replaced "url_for()" with actual path to static files.
 - this is to eliminate dependency between front-end code and Flask. So front-end guys can do front-end coding without setting up python environment, which might be unfamiliar to them.

mudacity/udyssey,mudacity/udyssey,mudacity/udyssey