Adding Type support for collision checks.

src/tilemap/Tilemap.js

@@ -51,6 +51,8 @@ Phaser.Tilemap = function (game, key, x, y, resizeWorld, tileWidth, tileHeight)
     this.position.x = x;
     this.position.y = y;
 
+    this.type = Phaser.TILEMAP;
+
     this.renderer = new Phaser.TilemapRenderer(this.game);
 
     this.mapFormat = map.format;

src/tilemap/TilemapLayer.js

@@ -73,6 +73,7 @@ Phaser.TilemapLayer = function (parent, id, key, mapFormat, name, tileWidth, til
     this.ID = id;
     this.name = name;
     this.key = key;
+    this.type = Phaser.TILEMAPLAYER;
 
     this.mapFormat = mapFormat;
     this.tileWidth = tileWidth;