[third_party] add polymer 1.2.3

polymer_1.2.3/bower_components/paper-header-panel/.bower.json

 {
   "name": "paper-header-panel",
-  "version": "1.0.2",
+  "version": "1.1.2",
   "description": "A header and content wrapper for layout with headers",
   "authors": [
     "The Polymer Authors"
   ],
   "keywords": [
     "web-components",
     "polymer",
     "layout"
   ],
+  "main": "paper-header-panel.html",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/PolymerElements/paper-header-panel.git"
+  },
   "private": true,
   "license": "http://polymer.github.io/LICENSE.txt",
   "homepage": "https://github.com/PolymerElements/paper-header-panel",
   "ignore": [],
   "dependencies": {
     "iron-flex-layout": "PolymerElements/iron-flex-layout#^1.0.0",
-    "polymer": "Polymer/polymer#^1.0.0"
+    "polymer": "Polymer/polymer#^1.1.0"
   },
   "devDependencies": {
+    "iron-component-page": "PolymerElements/iron-component-page#^1.0.0",
+    "paper-styles": "PolymerElements/paper-styles#^1.0.0",
+    "test-fixture": "PolymerElements/test-fixture#^1.0.0",
     "web-component-tester": "*",
-    "iron-component-page": "PolymerElements/iron-component-page#^1.0.0",
-    "test-fixture": "PolymerElements/test-fixture#^1.0.0",
-    "webcomponentsjs": "webcomponents/webcomponentsjs#^0.7.0",
-    "paper-styles": "PolymerElements/paper-styles#^1.0.0"
+    "webcomponentsjs": "webcomponents/webcomponentsjs#^0.7.0"
   },
-  "_release": "1.0.2",
+  "_release": "1.1.2",
   "_resolution": {
     "type": "version",
-    "tag": "v1.0.2",
-    "commit": "19cde2fc5dfd51439e3433b3d5e6b618d444cb0a"
+    "tag": "v1.1.2",
+    "commit": "ea23746cc0e399e9e4f75f19cf514e261d89cca1"
   },
   "_source": "git://github.com/PolymerElements/paper-header-panel.git",
   "_target": "^1.0.0",
   "_originalSource": "PolymerElements/paper-header-panel"
 }