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

third_party/polymer/v1_0/components/iron-flex-layout/.bower.json

Index: third_party/polymer/v1_0/components/iron-flex-layout/.bower.json
diff --git a/third_party/polymer/v1_0/components/iron-flex-layout/.bower.json b/third_party/polymer/v1_0/components/iron-flex-layout/.bower.json
index dff0707956e656ad3e712333f3f083b5b6e707e7..98650a2547b8ff6e0154cf8f9e59ee77909f326e 100644
--- a/third_party/polymer/v1_0/components/iron-flex-layout/.bower.json
+++ b/third_party/polymer/v1_0/components/iron-flex-layout/.bower.json
@@ -1,6 +1,6 @@
 {
   "name": "iron-flex-layout",
-  "version": "1.0.1",
+  "version": "1.0.2",
   "description": "Provide flexbox-based layouts",
   "keywords": [
     "web-components",
@@ -12,18 +12,23 @@
   "authors": [
     "The Polymer Authors"
   ],
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/PolymerElements/iron-flex-layout.git"
+  },
   "dependencies": {
     "polymer": "Polymer/polymer#^1.0.0"
   },
   "devDependencies": {
+    "paper-styles": "polymerelements/paper-styles#^1.0.0",
     "webcomponentsjs": "webcomponents/webcomponentsjs#^0.7.0"
   },
   "homepage": "https://github.com/PolymerElements/iron-flex-layout",
-  "_release": "1.0.1",
+  "_release": "1.0.2",
   "_resolution": {
     "type": "version",
-    "tag": "v1.0.1",
-    "commit": "8828cc6ad1bb70d6a99aa1ecabc070b30256da06"
+    "tag": "v1.0.2",
+    "commit": "50bcecf40ab23caa7c2cd90030555e00c5ba7154"
   },
   "_source": "git://github.com/PolymerElements/iron-flex-layout.git",
   "_target": "^1.0.0",