removed instances of hit graph enable caching. Too complex and error prone at the moment

src/Container.js

@@ -310,24 +310,6 @@
 
             return this;
         }
-        /*
-        _isListeningEnabled: function() {
-            var ret;
-
-            if (this._listeningEnabled) {
-                return true;
-            }
-            else {
-                ret = false;
-                this.children.each(function(child) {
-                    if (child.isListeningEnabled()) {
-                        ret = true;
-                    }
-                });
-                return ret;
-            }
-        }
-        */
     });
 
     Kinetic.Util.extend(Kinetic.Container, Kinetic.Node);

src/Global.js

@@ -48,7 +48,6 @@ var Kinetic = {};
         traceArrMax: 100,
         dblClickWindow: 400,
         pixelRatio: undefined,
-        enableHitGraph: true,
 
         // user agent  
         UA: (function() {

src/Node.js

@@ -43,7 +43,6 @@
             this.attrs = {};
             this.cache = {};
             this.setAttrs(config);
-            //this._listeningEnabled = false;
 
             // event bindings for cache handling
             this.on(TRANSFORM_CHANGE_STR, function() {
@@ -418,13 +417,8 @@
          * @memberof Kinetic.Node.prototype
          * @returns {Boolean}
          */
-         /*
-        isListeningEnabled: function() {
-          return this._getCache(LISTENING_ENABLED, this._isListeningEnabled);
-        },
-        */
         shouldDrawHit: function() {
-            return  Kinetic.enableHitGraph && /*this.isListeningEnabled() &&*/ this.isListening() && this.isVisible() && !Kinetic.isDragging();
+            return  this.isListening() && this.isVisible() && !Kinetic.isDragging();
         },
         /**
          * determine if node is visible or not.  Node is visible only

src/Shape.js

@@ -296,11 +296,6 @@
                 this.setDrawHitFunc(this.drawHitFunc);
             }
         }
-        /*
-        _isListeningEnabled: function() {
-            return this._listeningEnabled;
-        },
-        */
     });
     Kinetic.Util.extend(Kinetic.Shape, Kinetic.Node);