-- clean up.
refactoring: match3.core.IPrototypesCollection -> slavara.haxe.game.IPrototypesCollection
refactoring: match3.core.models.DataCollection -> slavara.haxe.game.Models.DataCollection
refactoring: match3.core.models.PrototypesCollection -> slavara.haxe.game.Models.PrototypesCollection
-- update imports.