Npm audit (#582)

* Updating dev dependencies
* Bumping version
* Fix: Fixing bower configuration
* Removing silent bower installation
* Updating tests configuration
* Updating tests configuration.

Author: jarrodek

.travis.yml

@@ -1,12 +1,20 @@
 language: node_js
-node_js: stable
+node_js: 8
+sudo: required
 before_script:
-- bower install --silent
+- npm install -g polymer-cli
+- polymer install
 addons:
-  sauce_connect: true
+  firefox: latest
+  apt:
+    sources:
+    - google-chrome
+    packages:
+    - google-chrome-stable
 script:
-- npm run lint
-- polymer test --plugin sauce --job-name "api-console:${TRAVIS_BRANCH}" --build-number=${TRAVIS_BUILD_NUMBER}
+- xvfb-run polymer test --plugin local
+- if [ "${TRAVIS_PULL_REQUEST}" = "false" ]; then polymer test --plugin sauce --job-name
+  "api-console:${TRAVIS_BRANCH}" --build-number=${TRAVIS_BUILD_NUMBER}; fi
 cache:
   directories:
   - node_modules

bower.json

@@ -4,7 +4,7 @@
   "authors": [
     "The Advanced REST client authors <[email protected]>"
   ],
-  "version": "4.2.1",
+  "version": "4.2.2",
   "keywords": [
     "web-components",
     "polymer",
@@ -48,7 +48,7 @@
   },
   "devDependencies": {
     "iron-component-page": "polymerelements/iron-component-page#1.0.0",
-    "web-component-tester": "^6.0.0",
+    "web-component-tester": "Polymer/web-component-tester#^6.0.0",
     "paper-styles": "polymerelements/paper-styles#^1.0.2",
     "iron-demo-helpers": "PolymerElements/iron-demo-helpers#^1.0.0",
     "iron-test-helpers": "PolymerElements/iron-test-helpers#^1.4.0",