Team - All using conf screen width and height
Tyler/Dom - changed font, moved distance travelled to top right,
  extracted out constants
tyler/dom - fixed unit test by mocking newFont and setFont
tyler/dom - added metre counter to distance travelled
Craig/Max: Scary animal spawning and unspawning. Updated the scary animal image too.
Merge branch 'master' of https://github.com/twlevelup/syd-levelup-2-blue-team
Added better crowd and gameover