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

third_party/polymer/v1_0/components-chromium/paper-tabs/.bower.json

 {
   "name": "paper-tabs",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "license": "http://polymer.github.io/LICENSE.txt",
   "description": "Material design tabs",
   "private": true,
   "main": "paper-tabs.html",
   "authors": [
     "The Polymer Authors"
   ],
   "keywords": [
     "web-components",
     "polymer",
     "tabs",
     "control"
   ],
-  "repository": "https://github.com/PolymerElements/paper-tabs.git",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/PolymerElements/paper-tabs.git"
+  },
   "dependencies": {
     "iron-behaviors": "polymerelements/iron-behaviors#^1.0.0",
     "iron-flex-layout": "polymerelements/iron-flex-layout#^1.0.0",
     "iron-icon": "polymerelements/iron-icon#^1.0.0",
     "iron-iconset-svg": "polymerelements/iron-iconset-svg#^1.0.0",
     "iron-menu-behavior": "polymerelements/iron-menu-behavior#^1.0.0",
     "iron-resizable-behavior": "polymerelements/iron-resizable-behavior#^1.0.0",
     "paper-ripple": "polymerelements/paper-ripple#^1.0.0",
     "paper-styles": "polymerelements/paper-styles#^1.0.0",
     "polymer": "Polymer/polymer#^1.0.0",
     "paper-icon-button": "polymerelements/paper-icon-button#^1.0.0"
   },
   "devDependencies": {
     "iron-component-page": "PolymerElements/iron-component-page#^1.0.0",
     "paper-toolbar": "polymerelements/paper-toolbar#^1.0.0",
     "test-fixture": "polymerelements/test-fixture#^1.0.0",
     "webcomponentsjs": "webcomponents/webcomponentsjs#^0.7.0",
     "web-component-tester": "*"
   },
   "homepage": "https://github.com/PolymerElements/paper-tabs",
-  "_release": "1.0.0",
+  "_release": "1.0.1",
   "_resolution": {
     "type": "version",
-    "tag": "v1.0.0",
-    "commit": "af6820e55f73fc5aa8c8e4d5294085e46374c7ca"
+    "tag": "v1.0.1",
+    "commit": "6403be53eeef5f9e7a7a7ccd9251f551d26c7548"
   },
   "_source": "git://github.com/PolymerElements/paper-tabs.git",
-  "_target": "^1.0.0",
+  "_target": "~1.0.0",
   "_originalSource": "PolymerElements/paper-tabs"
 }