Update bower.json for Polymer elements and add PRESUBMIT.py

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

Index: third_party/polymer/v1_0/components/paper-icon-button/.bower.json
diff --git a/third_party/polymer/v1_0/components/paper-icon-button/.bower.json b/third_party/polymer/v1_0/components/paper-icon-button/.bower.json
index 71c8d4541d97314a02cf4ae996434927a4d7de35..7e9632cc5954203919c84124d812c7d0afa3b17f 100644
--- a/third_party/polymer/v1_0/components/paper-icon-button/.bower.json
+++ b/third_party/polymer/v1_0/components/paper-icon-button/.bower.json
@@ -1,7 +1,7 @@
 {
   "name": "paper-icon-button",
   "private": true,
-  "version": "1.0.2",
+  "version": "1.0.3",
   "license": "http://polymer.github.io/LICENSE.txt",
   "description": "A material design icon button",
   "main": "paper-icon-button.html",
@@ -15,6 +15,10 @@
     "icon",
     "control"
   ],
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/PolymerElements/paper-icon-button.git"
+  },
   "dependencies": {
     "iron-flex-layout": "polymerelements/iron-flex-layout#^1.0.0",
     "iron-icon": "polymerelements/iron-icon#^1.0.0",
@@ -31,13 +35,13 @@
     "webcomponentsjs": "webcomponents/webcomponentsjs#^0.7.0"
   },
   "homepage": "https://github.com/PolymerElements/paper-icon-button",
-  "_release": "1.0.2",
+  "_release": "1.0.3",
   "_resolution": {
     "type": "version",
-    "tag": "v1.0.2",
-    "commit": "b22ade2080f2527760eae41e4700c52d4689a866"
+    "tag": "v1.0.3",
+    "commit": "9f183bdae3ff419aeae78a51a05fcc4d0100e5a3"
   },
   "_source": "git://github.com/PolymerElements/paper-icon-button.git",
-  "_target": "^1.0.0",
+  "_target": "~1.0.0",
   "_originalSource": "PolymerElements/paper-icon-button"
 }