Fixed #639

src/Group.js

@@ -10,7 +10,7 @@
             if (type !== 'Group' && type !== 'Shape') {
                 Kinetic.Util.error('You may only add groups and shapes to groups.');
             }
-        },
+        }
     });
     Kinetic.Util.extend(Kinetic.Group, Kinetic.Container);
 })();

src/Node.js

@@ -1218,7 +1218,7 @@
                 }
             }
         },
-        /*
+        /**
          * draw both scene and hit graphs.  If the node being drawn is the stage, all of the layers will be cleared and redra
          * @method
          * @memberof Kinetic.Node.prototype

src/shapes/Image.js

@@ -136,7 +136,7 @@
                 filterCanvas = this.filterCanvas = new Kinetic.SceneCanvas({
                     width: crop.width, 
                     height: crop.height,
-                    pixelRatio: 1,
+                    pixelRatio: 1
                 });
             }