[Polymer] Roll polymer to latest version

third_party/polymer/v1_0/components-chromium/paper-icon-button/bower.json

 {
   "name": "paper-icon-button",
   "private": true,
-  "version": "1.0.5",
+  "version": "1.0.6",
   "license": "http://polymer.github.io/LICENSE.txt",
   "description": "A material design icon button",
   "main": "paper-icon-button.html",
   "author": [
     "The Polymer Authors"
   ],
   "keywords": [
     "web-components",
     "polymer",
     "button",
     "icon",
     "control"
   ],
   "repository": {
     "type": "git",
     "url": "git://github.com/PolymerElements/paper-icon-button.git"
   },
   "dependencies": {
     "polymer": "Polymer/polymer#^1.1.0",
     "iron-flex-layout": "PolymerElements/iron-flex-layout#^1.0.0",
     "iron-icon": "PolymerElements/iron-icon#^1.0.0",
     "iron-icons": "PolymerElements/iron-icons#^1.0.0",
     "paper-behaviors": "PolymerElements/paper-behaviors#^1.0.0",
     "paper-ripple": "PolymerElements/paper-ripple#^1.0.0",
     "paper-styles": "PolymerElements/paper-styles#^1.0.0"
   },
   "devDependencies": {
+    "iron-demo-helpers": "PolymerElements/iron-demo-helpers#^1.0.0",
     "webcomponentsjs": "webcomponents/webcomponentsjs#^0.7.0",
-    "web-component-tester": "*",
+    "web-component-tester": "polymer/web-component-tester#^3.4.0",
     "test-fixture": "PolymerElements/test-fixture#^1.0.0",
     "iron-component-page": "PolymerElements/iron-component-page#^1.0.0"
-  }
+  },
+  "ignore": []
 }