Fixed lots of examples and added the missing Line.js.

examples/groups/create group.js

@@ -7,30 +7,20 @@ var game = new Phaser.Game(800, 600, Phaser.AUTO, 'phaser-example', { preload: p
 
 }
 
-var firstGroup;
+var yourGroup;
 
 function create() {
 
     //  Here we'll create a new Group
-    firstGroup = game.add.group();
+    yourGroup = game.add.group();
 
-    //  And add some sprites to it
+    //  And add 10 sprites to it
     for (var i = 0; i < 10; i++)
     {
-        //  Create a new sprite at a random screen location
-        var newSprite = new Phaser.Sprite(game, game.stage.randomX, game.stage.randomY, 'sonic');
-
-        //  This set-ups a listener for the event, view your console.log output to see the result
-        newSprite.events.onAddedToGroup.add(logGroupAdd);
-
-        //  Add the sprite to the Group
-        firstGroup.add(newSprite);
+        //  Create a new sprite at a random world location
+        yourGroup.create(game.world.randomX, game.world.randomY, 'sonic');
     }
 
-}
-
-function logGroupAdd(sprite, group) {
-
-    console.log('Sprite added to Group', group.ID, 'at z-index:', group.getIndex(sprite));
+    //  Each sprite is now a member of yourGroup
 
 }