Added detection for player jumping into the abyss
First attempt at a simple player texture, without animation
Moved classes around to some new flies.
Add enemy with no AI. Player can be hit or stomp it

ALSO moved rendering of graphics outside of the if(DEBUG) block, because
when that flag gets switched off, I don't want the sprites to disappear.
Merge remote-tracking branch 'origin/vince/enemies' into vineet/graphics
Changed LevelTwo width to avoid camera bug
Enemy AI can now move around and climb ladders

It's still an idiot though. Randomly picks directions, whether to climb
ladders, etc.
Buggy player animation
Fixed player animation
Displaying score on the top right of screen
Merge remote-tracking branch 'origin/vineet/graphics'
Added player climbing and jumping textures
Merge remote-tracking branch 'origin/vineet/graphics'
Player renders over other textures now