[ci skip] Point to latest polymer 2.0 versions.

bower.json

@@ -16,22 +16,22 @@
   ],
   "license": "http://polymer.github.io/LICENSE.txt",
   "dependencies": {
-    "polymer": "polymer/polymer#^2.0.0-rc.1",
-    "iron-a11y-keys-behavior": "polymerelements/iron-a11y-keys-behavior#2.0-preview"
+    "polymer": "Polymer/polymer#1.9 - 2",
+    "iron-a11y-keys-behavior": "polymerelements/iron-a11y-keys-behavior#1 - 2"
   },
   "devDependencies": {
-    "paper-styles": "polymerelements/paper-styles#2.0-preview",
-    "paper-input": "polymerelements/paper-input#2.0-preview",
-    "iron-test-helpers": "polymerelements/iron-test-helpers#2.0-preview",
-    "iron-component-page": "polymerelements/iron-component-page#2.0-preview",
-    "web-component-tester": "Polymer/web-component-tester#^6.0.0-prerelease.6",
-    "webcomponentsjs": "webcomponents/webcomponentsjs#^1.0.0-rc.1"
+    "paper-styles": "polymerelements/paper-styles#1 - 2",
+    "paper-input": "polymerelements/paper-input#1 - 2",
+    "iron-test-helpers": "polymerelements/iron-test-helpers#1 - 2",
+    "iron-component-page": "polymerelements/iron-component-page#1 - 2",
+    "web-component-tester": "^6.0.0",
+    "webcomponentsjs": "webcomponents/webcomponentsjs#^1.0.0"
   },
   "ignore": [],
   "variants": {
     "1.x": {
       "dependencies": {
-        "polymer": "Polymer/polymer#^1.1.0",
+        "polymer": "Polymer/polymer#^1.9",
         "iron-a11y-keys-behavior": "polymerelements/iron-a11y-keys-behavior#^1.0.0"
       },
       "devDependencies": {
@@ -41,7 +41,13 @@
         "iron-component-page": "polymerelements/iron-component-page#^1.0.0",
         "webcomponentsjs": "webcomponents/webcomponentsjs#^0.7.0",
         "web-component-tester": "Polymer/web-component-tester#^4.0.0"
+      },
+      "resolutions": {
+        "webcomponentsjs": "^0.7"
       }
     }
+  },
+  "resolutions": {
+    "webcomponentsjs": "^1.0.0"
   }
 }