Fixed menu after death and boss index calculation
Removed old GUI label from stage select
Removed controller restriction on sliding
Partially fixed sliding into walls; if your close you cant
Added edge detection to Hero
Fixed bug where trying to slide caused jump instead
Sliding now stops before hitting the edge
Narrowed the edge so you can get closer to the wall
Merge pull request #193 from zackthehuman/master

Better sliding, stops before edge, can't slide off of edge, etc.