release 0.2.3

bower.json

@@ -2,20 +2,21 @@
   "name": "shuttle",
   "private": true,
   "dependencies": {
-    "platform": "Polymer/platform#master",
-    "polymer-grid-layout": "Polymer/polymer-grid-layout#master",
-    "polymer-media-query": "Polymer/polymer-media-query#master",
-    "polymer-ui-icon": "Polymer/polymer-ui-icon#master",
-    "polymer-ui-tabs": "Polymer/polymer-ui-tabs#master",
-    "polymer-localstorage": "Polymer/polymer-localstorage#master",
-    "polymer-selector": "Polymer/polymer-selector#master",
-    "polymer-ui-card": "Polymer/polymer-ui-card#master",
-    "polymer-ui-icon-button": "Polymer/polymer-ui-icon-button#master",
-    "polymer-ui-field": "Polymer/polymer-ui-field#master",
-    "google-map": "Polymer/google-map#master",
-    "polymer-flex-layout": "Polymer/polymer-flex-layout#master",
-    "polymer-overlay": "Polymer/polymer-overlay#master",
-    "polymer-ui-collapsible": "Polymer/polymer-ui-collapsible#master",
-    "polymer-ui-base": "Polymer/polymer-ui-base#master"
-  }
-}
+    "platform": "Polymer/platform#0.2.3",
+    "polymer-grid-layout": "Polymer/polymer-grid-layout#0.2.3",
+    "polymer-media-query": "Polymer/polymer-media-query#0.2.3",
+    "polymer-ui-icon": "Polymer/polymer-ui-icon#0.2.3",
+    "polymer-ui-tabs": "Polymer/polymer-ui-tabs#0.2.3",
+    "polymer-localstorage": "Polymer/polymer-localstorage#0.2.3",
+    "polymer-selector": "Polymer/polymer-selector#0.2.3",
+    "polymer-ui-card": "Polymer/polymer-ui-card#0.2.3",
+    "polymer-ui-icon-button": "Polymer/polymer-ui-icon-button#0.2.3",
+    "polymer-ui-field": "Polymer/polymer-ui-field#0.2.3",
+    "google-map": "Polymer/google-map#0.2.3",
+    "polymer-flex-layout": "Polymer/polymer-flex-layout#0.2.3",
+    "polymer-overlay": "Polymer/polymer-overlay#0.2.3",
+    "polymer-ui-collapsible": "Polymer/polymer-ui-collapsible#0.2.3",
+    "polymer-ui-base": "Polymer/polymer-ui-base#0.2.3"
+  },
+  "version": "0.2.3"
+}