SupplyFactory

Fixed everything
Fixed old bad methods in WorldTest

removeSprites & removeProjectiles
Added property to Tile

Added the properties: health, ammo, food and weapon spawner, unwalkable
and none(for the standard tiles)
Supports shores

Files with shoreline data can be added and will be used by the
WorldBuilder
Merge remote-tracking branch 'origin/master' into CallebergBranch