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

third_party/polymer/v1_0/components-chromium/paper-drawer-panel/.bower.json

 {
   "name": "paper-drawer-panel",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "description": "A responsive drawer panel",
   "authors": [
     "The Polymer Authors"
   ],
   "keywords": [
     "web-components",
     "polymer",
     "drawer",
     "responsive",
     "layout"
   ],
   "repository": {
     "type": "git",
     "url": "git://github.com/PolymerElements/paper-drawer-panel.git"
   },
   "license": "http://polymer.github.io/LICENSE.txt",
   "homepage": "https://github.com/PolymerElements/paper-drawer-panel",
   "dependencies": {
     "polymer": "Polymer/polymer#^1.0.0",
     "iron-selector": "PolymerElements/iron-selector#^1.0.0",
     "iron-media-query": "PolymerElements/iron-media-query#^1.0.0"
   },
   "devDependencies": {
     "iron-component-page": "PolymerElements/iron-component-page#^1.0.0",
     "paper-button": "PolymerElements/paper-button#^1.0.0",
     "paper-styles": "PolymerElements/paper-styles#^1.0.0",
     "web-component-tester": "*",
     "webcomponentsjs": "webcomponents/webcomponentsjs#^0.7.0"
   },
-  "_release": "1.0.2",
+  "_release": "1.0.3",
   "_resolution": {
     "type": "version",
-    "tag": "v1.0.2",
-    "commit": "691739c877914f7231eaca16b724bdca295dfe8d"
+    "tag": "v1.0.3",
+    "commit": "92713b61eb8eec378db63af61b73341453b8180d"
   },
   "_source": "git://github.com/PolymerElements/paper-drawer-panel.git",
-  "_target": "^1.0.0",
+  "_target": "~1.0.0",
   "_originalSource": "PolymerElements/paper-drawer-panel"
 }