Moved edge and wall detection to EntityHelpers
Exposed new functions to scripting layer
Cleaning up Peterchy script
Added generic ground-walking behavior
Further developed "Springer" enemy
Tweaking Springer to make it more like the game
Merge branch 'master' of https://github.com/zackthehuman/hikari into zackthehuman-master

Conflicts:
	engine/src/hikari/client/scripting/SquirrelService.cpp
Merge branch 'zackthehuman-master'