Changed SpriteManager.JsonSprite and SpriteManager.JsonSprite.JsonSpriteSheet to use properties instead of fields, in order to be used for data binding.
Changed SpriteManager.JsonSprite and SpriteManager.JsonSprite.JsonSpriteSheet to use properties instead of fields, in order to be used for data binding.

raycrasher/Fell-Sky,markgarcia/Fell-Sky