Adds 4 divs for 4 borders around screen
Adds to map loaded listener to pass new border information to hero
Adds to map loaded listener to pass new border information to hero
Map tracks the state of the borders and updates the screen accordingly - whether or not a neighboring screen exists
Update events to utilize ... notation in coffeescript rather than copying arguments array-like object
Adds border awareness to hero class in anticipation of adding blockers to hero where adjacent screen doesnt exist
Changes movement to be velocity based rather than hard-coded x and y
Border collision taken care of at game level currently - borders updated based on whether or not world exists in border
Map triggers border change when hero moves to new map
Adds simple black border if no world exists off border