Added base template for config ui.

appengine/config_service/ui/bower_components/web-component-tester/.bower.json

+{
+  "name": "web-component-tester",
+  "description": "web-component-tester makes testing your web components a breeze!",
+  "version": "6.0.0",
+  "main": [
+    "browser.js"
+  ],
+  "license": "http://polymer.github.io/LICENSE.txt",
+  "ignore": [
+    "*",
+    "!/data/*",
+    "!/browser.js",
+    "!/browser.js.map",
+    "!/package.json",
+    "!/bower.json"
+  ],
+  "keywords": [
+    "browser",
+    "grunt",
+    "gruntplugin",
+    "gulp",
+    "polymer",
+    "test",
+    "testing",
+    "web component",
+    "web"
+  ],
+  "dependencies": {
+    "accessibility-developer-tools": "^2.10.0",
+    "async": "^1.5.0",
+    "chai": "^3.2.0",
+    "lodash": "^3.7.0",
+    "mocha": "^3.1.2",
+    "sinon-chai": "^2.7.0",
+    "sinonjs": "^1.14.1",
+    "stacky": "^1.3.0",
+    "test-fixture": "polymerelements/test-fixture#^3.0.0-rc.1"
+  },
+  "devDependencies": {
+    "polymer": "Polymer/polymer#^1.5.0",
+    "webcomponentsjs": "webcomponents/webcomponentsjs#^0.7.22"
+  },
+  "homepage": "https://github.com/Polymer/web-component-tester",
+  "_release": "6.0.0",
+  "_resolution": {
+    "type": "version",
+    "tag": "v6.0.0",
+    "commit": "1ddc0535aa436849e9653df6d4f9d93a6dc6d398"
+  },
+  "_source": "https://github.com/Polymer/web-component-tester.git",
+  "_target": "^6.0.0",
+  "_originalSource": "Polymer/web-component-tester"
+}