[ci skip] Point to latest polymer 2.0 versions.

bower.json

@@ -20,20 +20,20 @@
   "license": "http://polymer.github.io/LICENSE.txt",
   "homepage": "https://github.com/PolymerElements/paper-swatch-picker",
   "dependencies": {
-    "iron-flex-layout": "PolymerElements/iron-flex-layout#2.0-preview",
-    "iron-iconset-svg": "PolymerElements/iron-iconset-svg#2.0-preview",
-    "paper-icon-button": "PolymerElements/paper-icon-button#2.0-preview",
-    "paper-item": "PolymerElements/paper-item#2.0-preview",
-    "paper-listbox": "PolymerElements/paper-listbox#2.0-preview",
-    "paper-menu-button": "PolymerElements/paper-menu-button#2.0-preview",
-    "polymer": "Polymer/polymer#^2.0.0-rc.7"
+    "iron-flex-layout": "PolymerElements/iron-flex-layout#1 - 2",
+    "iron-iconset-svg": "PolymerElements/iron-iconset-svg#1 - 2",
+    "paper-icon-button": "PolymerElements/paper-icon-button#1 - 2",
+    "paper-item": "PolymerElements/paper-item#1 - 2",
+    "paper-listbox": "PolymerElements/paper-listbox#1 - 2",
+    "paper-menu-button": "PolymerElements/paper-menu-button#1 - 2",
+    "polymer": "Polymer/polymer#1.9 - 2"
   },
   "devDependencies": {
-    "iron-component-page": "PolymerElements/iron-component-page#2.0-preview",
-    "iron-demo-helpers": "PolymerElements/iron-demo-helpers#2.0-preview",
-    "iron-test-helpers": "PolymerElements/iron-test-helpers#2.0-preview",
-    "web-component-tester": "Polymer/web-component-tester#^6.0.0-prerelease.6",
-    "webcomponentsjs": "webcomponents/webcomponentsjs#^1.0.0-rc.1",
+    "iron-component-page": "PolymerElements/iron-component-page#1 - 2",
+    "iron-demo-helpers": "PolymerElements/iron-demo-helpers#1 - 2",
+    "iron-test-helpers": "PolymerElements/iron-test-helpers#1 - 2",
+    "web-component-tester": "^6.0.0",
+    "webcomponentsjs": "webcomponents/webcomponentsjs#^1.0.0",
     "web-animations-js": "web-animations/web-animations-js#^2.2"
   },
   "variants": {
@@ -45,7 +45,7 @@
         "paper-item": "PolymerElements/paper-item#^1.0.0",
         "paper-listbox": "PolymerElements/paper-listbox#^1.1.1",
         "paper-menu-button": "PolymerElements/paper-menu-button#^1.0.0",
-        "polymer": "Polymer/polymer#^1.1.0"
+        "polymer": "Polymer/polymer#^1.9"
       },
       "devDependencies": {
         "iron-component-page": "PolymerElements/iron-component-page#^1.1.0",
@@ -55,7 +55,13 @@
         "web-component-tester": "^4.0.0",
         "webcomponentsjs": "webcomponents/webcomponentsjs#^0.7.0",
         "web-animations-js": "web-animations/web-animations-js#^2.2"
+      },
+      "resolutions": {
+        "webcomponentsjs": "^0.7"
       }
     }
+  },
+  "resolutions": {
+    "webcomponentsjs": "^1.0.0"
   }
 }