Run bower update

third_party/polymer/components/iron-collapse/.bower.json

 {
   "name": "iron-collapse",
-  "version": "1.0.8",
+  "version": "1.1.0",
   "description": "Provides a collapsable container",
   "authors": [
     "The Polymer Authors"
   ],
   "keywords": [
     "web-components",
     "polymer",
     "container"
   ],
   "private": true,
   "repository": {
     "type": "git",
     "url": "https://github.com/PolymerElements/iron-collapse"
   },
   "license": "http://polymer.github.io/LICENSE.txt",
   "homepage": "https://github.com/PolymerElements/iron-collapse",
   "ignore": [],
   "dependencies": {
     "iron-resizable-behavior": "PolymerElements/iron-resizable-behavior#^1.0.0",
-    "polymer": "Polymer/polymer#^1.0.0"
+    "polymer": "Polymer/polymer#^1.5.0"
   },
   "devDependencies": {
     "web-component-tester": "^4.0.0",
     "test-fixture": "PolymerElements/test-fixture#^1.0.0",
     "iron-component-page": "PolymerElements/iron-component-page#^1.0.0",
+    "iron-flex-layout": "polymerelements/iron-flex-layout#^1.0.0",
     "paper-styles": "PolymerElements/paper-styles#^1.0.0",
     "webcomponentsjs": "webcomponents/webcomponentsjs#^0.7.0"
   },
   "main": "iron-collapse.html",
-  "_release": "1.0.8",
+  "_release": "1.1.0",
   "_resolution": {
     "type": "version",
-    "tag": "v1.0.8",
-    "commit": "02e659e6ff8c70e6509fd145524e380fce6bcb0b"
+    "tag": "v1.1.0",
+    "commit": "f9e64ea7731c43430f48d64dddb80166334122c7"
   },
   "_source": "git://github.com/PolymerElements/iron-collapse.git",
   "_target": "^1.0.0",
   "_originalSource": "PolymerElements/iron-collapse"
 }