Tilemap painting example and other smaller updates.

src/utils/Utils.js

@@ -10,6 +10,20 @@
 */
 Phaser.Utils = {
 	
+	shuffle: function (array) {
+
+	    for (var i = array.length - 1; i > 0; i--)
+	    {
+	        var j = Math.floor(Math.random() * (i + 1));
+	        var temp = array[i];
+	        array[i] = array[j];
+	        array[j] = temp;
+	    }
+
+	    return array;
+	    
+	},
+
 	/**
 	* Javascript string pad http://www.webtoolkit.info/.
 	* pad = the string to pad it out with (defaults to a space)<br>