build: Automate build via TravisCI

.travis.yml

@@ -0,0 +1,13 @@
+language: node_js
+cache:
+  directories:
+    - ~/.npm
+notifications:
+  email: false
+node_js:
+  - '9'
+after_success:
+  - npm run travis-deploy-once "npm run semantic-release"
+branches:
+  except:
+    - /^v\d+\.\d+\.\d+$/

package.json

@@ -21,7 +21,8 @@
     "e2e": "node test/e2e/runner.js",
     "test": "echo 'skipping tests until selenium is setup for travis'",
     "lint": "eslint --ext .js,.vue src test/e2e/specs",
-    "semantic-release": "semantic-release"
+    "semantic-release": "semantic-release",
+    "travis-deploy-once": "travis-deploy-once"
   },
   "dependencies": {
     "vue": "^2.3.3"
@@ -74,7 +75,8 @@
     "webpack-dev-middleware": "^1.10.0",
     "webpack-hot-middleware": "^2.18.0",
     "webpack-merge": "^4.1.0",
-    "semantic-release": "^12.2.2"
+    "semantic-release": "^12.2.2",
+    "travis-deploy-once": "^4.3.1"
   },
   "engines": {
     "node": ">= 4.0.0",