Update Polymer from 1.1.4 -> 1.1.5

third_party/polymer/v1_0/components-chromium/iron-list/.bower.json

 {
   "name": "iron-list",
-  "version": "1.1.2",
+  "description": "Displays a virtual, 'infinite' scrolling list of items",
+  "keywords": [
+    "web-components",
+    "polymer",
+    "list",
+    "virtual-list"
+  ],
+  "version": "1.1.3",
   "homepage": "https://github.com/PolymerElements/iron-list",
   "authors": [
     "The Polymer Authors"
   ],
   "main": "iron-list.html",
   "license": "http://polymer.github.io/LICENSE.txt",
   "dependencies": {
     "polymer": "Polymer/polymer#^1.1.0",
     "iron-resizable-behavior": "polymerelements/iron-resizable-behavior#^1.0.0"
   },
   "devDependencies": {
     "iron-flex-layout": "polymerelements/iron-flex-layout#^1.0.0",
     "iron-component-page": "polymerelements/iron-component-page#^1.0.0",
     "paper-scroll-header-panel": "polymerelements/paper-scroll-header-panel#^1.0.0",
     "paper-menu": "polymerelements/paper-menu#^1.0.0",
     "paper-item": "polymerelements/paper-item#^1.0.0",
     "paper-icon-button": "polymerelements/paper-icon-button#^1.0.0",
     "paper-button": "polymerelements/paper-button#^1.0.0",
     "iron-ajax": "polymerelements/iron-ajax#^1.0.0",
     "iron-icon": "polymerelements/iron-icon#^1.0.0",
     "iron-icons": "polymerelements/iron-icons#^1.0.0",
     "paper-badge": "polymerelements/paper-badge#^1.0.0",
     "paper-toolbar": "polymerelements/paper-toolbar#^1.0.0",
     "test-fixture": "polymerelements/test-fixture#^1.0.0",
     "iron-test-helpers": "polymerelements/iron-test-helpers#^1.0.0",
     "webcomponentsjs": "webcomponents/webcomponentsjs#^0.7.2",
     "web-component-tester": "*"
   },
-  "_release": "1.1.2",
+  "_release": "1.1.3",
   "_resolution": {
     "type": "version",
-    "tag": "v1.1.2",
-    "commit": "df6078a27cf587ac3e562d62d4127d17b44dcc13"
+    "tag": "v1.1.3",
+    "commit": "c5d246c9c78b1448cced45f17e2c80a4be52eaa4"
   },
   "_source": "git://github.com/PolymerElements/iron-list.git",
   "_target": "^1.0.0",
   "_originalSource": "PolymerElements/iron-list"
 }