Added IndexedAStarPathfinding (only for player atm)
Updated Heuristics for pathfinding to octile distance
Replaced character steering from seek to follow path created with pathfinder.
Redone whole tiled map:
changed physics to only contains houses (and non standard tiled entities)
added collision layer
changed rendering of map so player is behind roof (entities can go behind buildings)
removed objects storing entity data in map and replaced with tiled layer for easier map making.