update deps and resolutions

bower.json

@@ -40,7 +40,7 @@
         "polymer": "Polymer/polymer#^1.7.0",
         "iron-behaviors": "polymerelements/iron-behaviors#^1.0.0",
         "iron-overlay-behavior": "PolymerElements/iron-overlay-behavior#^1.8.6",
-        "neon-animation": "PolymerElements/neon-animation#2.0-preview"
+        "neon-animation": "PolymerElements/neon-animation#^1.0.0"
       },
       "devDependencies": {
         "iron-component-page": "polymerelements/iron-component-page#^1.0.0",
@@ -51,21 +51,11 @@
         "webcomponentsjs": "webcomponents/webcomponentsjs#^0.7.0",
         "web-animations-js": "web-animations/web-animations-js#^2.2.0",
         "iron-image": "polymerelements/iron-image#^1.0.0"
-      },
-      "resolutions": {
-        "iron-resizable-behavior": "^1.0.0",
-        "iron-selector": "^1.0.0",
-        "iron-meta": "^1.0.0",
-        "polymer": "^1.7.0",
-        "test-fixture": "^1.0.0",
-        "webcomponentsjs": "^0.7.0"
       }
     }
   },
   "ignore": [],
   "resolutions": {
-    "polymer": "2.0-preview",
-    "test-fixture": "custom-elements-v1",
-    "webcomponentsjs": "v1"
+    "test-fixture": "custom-elements-v1"
   }
 }

iron-dropdown.html

@@ -189,6 +189,9 @@
 
         attached: function () {
           if (!this.sizingTarget || this.sizingTarget === this) {
+            // Need to flush to force distribution in order to get the containedElement
+            //TODO(valdrin) remove flush when webcomponents/shadydom#56 is solved.
+            window.ShadyDOM && window.ShadyDOM.flush();
             this.sizingTarget = this.containedElement || this;
           }
         },