Added travis

Author: agnivade

.travis.yml

@@ -0,0 +1,17 @@
+sudo: false
+language: node_js
+
+node_js:
+ - "6"
+ - "7"
+ - "8"
+ - "stable"
+
+script:
+ - npm run lint
+ - npm run build
+
+cache:
+ directories:
+ - node_modules
+