[third_party] add polymer 1.2.3

polymer_1.2.3/bower_components/iron-ajax/.bower.json

 {
   "name": "iron-ajax",
-  "version": "1.0.0",
+  "version": "1.1.1",
   "description": "Makes it easy to make ajax calls and parse the response",
   "private": true,
   "authors": [
     "The Polymer Authors"
   ],
   "keywords": [
     "web-components",
-    "web-component",
-    "polymer"
+    "polymer",
+    "ajax"
   ],
-  "main": [
-    "iron-ajax.html",
-    "iron-request.html"
-  ],
+  "main": "iron-ajax.html",
   "repository": {
     "type": "git",
     "url": "git://github.com/PolymerElements/iron-ajax.git"
   },
   "license": "http://polymer.github.io/LICENSE.txt",
   "homepage": "https://github.com/PolymerElements/iron-ajax",
   "ignore": [],
   "dependencies": {
     "promise-polyfill": "polymerlabs/promise-polyfill#^1.0.0",
     "polymer": "Polymer/polymer#^1.0.0"
   },
   "devDependencies": {
     "iron-component-page": "polymerelements/iron-component-page#^1.0.0",
-    "iron-flex-layout": "polymerelements/iron-flex-layout#^1.0.0",
     "iron-image": "polymerelements/iron-image#^1.0.0",
     "paper-styles": "polymerelements/paper-styles#^1.0.0",
     "test-fixture": "polymerelements/test-fixture#^1.0.0",
-    "web-component-tester": "*",
+    "web-component-tester": "polymer/web-component-tester#^3.4.0",
     "webcomponentsjs": "webcomponents/webcomponentsjs#^0.7.0"
   },
-  "_release": "1.0.0",
+  "_release": "1.1.1",
   "_resolution": {
     "type": "version",
-    "tag": "v1.0.0",
-    "commit": "97cc0c5e407ccde33f385ffbf9e6b6c706e63977"
+    "tag": "v1.1.1",
+    "commit": "885ba9c0bf163ebac47e730be4bc231f84b3712a"
   },
   "_source": "git://github.com/PolymerElements/iron-ajax.git",
-  "_target": "1.0.0",
+  "_target": "~1.1.1",
   "_originalSource": "PolymerElements/iron-ajax"
 }