update elements and fix some bugs

lib/src/neon-animation/neon-animated-pages.html

Index: lib/src/neon-animation/neon-animated-pages.html
diff --git a/lib/src/neon-animation/neon-animated-pages.html b/lib/src/neon-animation/neon-animated-pages.html
index 43309b7a9e8f4bdb7ae9e8f1fcc63b187f0a5c63..6554c01ec76a1f02929585552cafcf32a0944c9f 100644
--- a/lib/src/neon-animation/neon-animated-pages.html
+++ b/lib/src/neon-animation/neon-animated-pages.html
@@ -13,6 +13,8 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
 <link rel="import" href="animations/opaque-animation.html">
 
 <!--
+Material design: [Meaningful transitions](https://www.google.com/design/spec/animation/meaningful-transitions.html)
+
 `neon-animated-pages` manages a set of pages and runs an animation when switching between them. Its
 children pages should implement `Polymer.NeonAnimatableBehavior` and define `entry` and `exit`
 animations to be run when switching to or switching out of the page.
@@ -133,6 +135,7 @@ animations to be run when switching to or switching out of the page.
           this._squelchNextFinishEvent = true;
           this.cancelAnimation();
           this._completeSelectedChanged();
+          this._squelchNextFinishEvent = false;
         }
 
         // configure the animation.