Run bower update

third_party/polymer/components/polymer/.bower.json

Index: third_party/polymer/components/polymer/.bower.json
diff --git a/third_party/polymer/components/polymer/.bower.json b/third_party/polymer/components/polymer/.bower.json
index 3e8a4009a304ec243ec852ee8162ca8bbeacc734..36ef2ed872444c71e3996a29ca1739040f51287d 100644
--- a/third_party/polymer/components/polymer/.bower.json
+++ b/third_party/polymer/components/polymer/.bower.json
@@ -1,6 +1,6 @@
 {
   "name": "polymer",
-  "version": "1.4.0",
+  "version": "1.6.0",
   "main": [
     "polymer.html",
     "polymer-mini.html",
@@ -10,7 +10,12 @@
   "ignore": [
     "/.*",
     "/test/",
-    "gen-changelog.sh"
+    "/util/",
+    "/explainer/",
+    "gulpfile.js",
+    "PRIMER.md",
+    "CONTRIBUTING.md",
+    "CHANGELOG.md"
   ],
   "authors": [
     "The Polymer Authors (http://polymer.github.io/AUTHORS.txt)"
@@ -27,11 +32,11 @@
   },
   "private": true,
   "homepage": "https://github.com/Polymer/polymer",
-  "_release": "1.4.0",
+  "_release": "1.6.0",
   "_resolution": {
     "type": "version",
-    "tag": "v1.4.0",
-    "commit": "11c987b2eb3c73b388a79fc8aaea8ca01624f514"
+    "tag": "v1.6.0",
+    "commit": "8715c83bf04a228de00ec662ed43eb6141e61b91"
   },
   "_source": "git://github.com/Polymer/polymer.git",
   "_target": "^1.0.0",