Roll Polymer to 1.3.1

third_party/polymer/v1_0/components-chromium/iron-resizable-behavior/.bower.json

 {
   "name": "iron-resizable-behavior",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "license": "http://polymer.github.io/LICENSE.txt",
   "description": "Coordinates the flow of resizeable elements",
   "private": true,
   "main": "iron-resizable-behavior.html",
   "authors": [
     "The Polymer Authors"
   ],
   "keywords": [
     "web-components",
     "polymer",
     "iron",
     "behavior"
   ],
   "repository": {
     "type": "git",
     "url": "git://github.com/PolymerElements/iron-resizable-behavior.git"
   },
   "dependencies": {
     "polymer": "Polymer/polymer#^1.0.0"
   },
   "devDependencies": {
     "iron-component-page": "polymerelements/iron-component-page#^1.0.0",
     "test-fixture": "polymerelements/test-fixture#^1.0.0",
-    "web-component-tester": "*",
+    "web-component-tester": "^4.0.0",
     "webcomponentsjs": "webcomponents/webcomponentsjs#^0.7.0"
   },
+  "ignore": [],
   "homepage": "https://github.com/PolymerElements/iron-resizable-behavior",
-  "_release": "1.0.2",
+  "_release": "1.0.3",
   "_resolution": {
     "type": "version",
-    "tag": "v1.0.2",
-    "commit": "85de8ba28be2bf17c81d6436ef1119022b003674"
+    "tag": "v1.0.3",
+    "commit": "dda1df6aaf452aedf3e52ff0cf69e72439452216"
   },
   "_source": "git://github.com/PolymerElements/iron-resizable-behavior.git",
   "_target": "^1.0.0",
   "_originalSource": "PolymerElements/iron-resizable-behavior"
 }