Fixed issue with CocoonJS detection in Device.

Fixed docs issue in Tilemap.
Created landscape pointer test, confirmed working fine (issue #276)

src/system/Device.js

@@ -414,7 +414,7 @@ Phaser.Device.prototype = {
     */
     _checkFeatures: function () {
 
-        this.canvas = !!window['CanvasRenderingContext2D'] || this.iscocoonJS;
+        this.canvas = !!window['CanvasRenderingContext2D'] || this.cocoonJS;
 
         try {
             this.localStorage = !!localStorage.getItem;

src/tilemap/Tilemap.js

@@ -998,11 +998,16 @@ Phaser.Tilemap.prototype = {
     * @method Phaser.Tilemap#getTileWorldXY
     * @param {number} x - X position to get the tile from (given in pixels)
     * @param {number} y - Y position to get the tile from (given in pixels)
+    * @param {number} [tileWidth] - The width of the tiles. If not given the map default is used.
+    * @param {number} [tileHeight] - The height of the tiles. If not given the map default is used.
     * @param {number|string|Phaser.TilemapLayer} [layer] - The layer to get the tile from.
     * @return {Phaser.Tile} The tile at the given coordinates.
     */
     getTileWorldXY: function (x, y, tileWidth, tileHeight, layer) {
 
+        if (typeof tileWidth === 'undefined') { tileWidth = this.tileWidth; }
+        if (typeof tileHeight === 'undefined') { tileHeight = this.tileHeight; }
+
         layer = this.getLayer(layer);
 
         x = this.game.math.snapToFloor(x, tileWidth) / tileWidth;

src/utils/Debug.js

@@ -293,6 +293,7 @@ Phaser.Utils.Debug.prototype = {
         this.line('World X: ' + pointer.worldX + " World Y: " + pointer.worldY);
         this.line('Screen X: ' + pointer.x + " Screen Y: " + pointer.y);
         this.line('Duration: ' + pointer.duration + " ms");
+        this.line('is Down: ' + pointer.isDown + " is Up: " + pointer.isUp);
         this.stop();
 
     },