Prettify levels.coffee
Add player death

Player now dies if it touches a Pigeon or Rat and then the level
restarts.
Merge branch 'jprof-wip'
Add multiple prizes per level
Switch level when number of prizes hits 0
Add border to levels made of buildings
Add MetroGnome title to index.html
Tweaked gameplay

-   Faster player
-   Faster tick
-   Faster Pigeons
-   Easier to hit pushback timing
Fix building border
Merge branch 'Purest'
Update collision repulsion code to handle collision polygons
Change easing magic number to less than that which it had been
Update collision polygons for buildings
Add a Border building
Increase taterGit distance!