Fix: onUninstall should always cancel reference to track #22

spec/javascripts/PluginBulletNavigatorSpec.js

@@ -40,11 +40,16 @@ describe("SilverTrack.Plugins.BulletNavigator", function() {
     });
 
     it("should remove all created bullets", function() {
-      plugin.onUninstall();
+      plugin.onUninstall(track);
       var bullets = getBullets(plugin, track);
       expect(bullets.length).toBe(0);
     });
 
+    it("should remove track reference", function() {
+      plugin.onUninstall(track);
+      expect(plugin.track).toBe(null);
+    });
+
   });
 
   describe("bullet creation", function() {

spec/javascripts/PluginNavigatorSpec.js

@@ -54,6 +54,11 @@ describe("SilverTrack.Plugins.Navigator", function() {
       expect(plugin.next.hasClass(plugin.options.disabledClass)).toBe(false);
     });
 
+    it("remove track reference", function() {
+      plugin.onUninstall(track);
+      expect(plugin.track).toBe(null);
+    });
+
   });
 
   describe("when configuring the items", function() {

src/plugins/jquery.silver_track.bullet_navigator.js

@@ -33,6 +33,7 @@
 
     onUninstall: function(track) {
       this._clearBullets();
+      this.track = null;
     },
 
     afterStart: function() {

src/plugins/jquery.silver_track.navigator.js

@@ -41,6 +41,7 @@
       this.next.off("click");
       this._enable(this.prev);
       this._enable(this.next);
+      this.track = null;
     },
 
     afterStart: function() {