Added travis ci support

Author: amilajack

.travis.yml

@@ -0,0 +1,15 @@
+sudo: false
+
+language: node_js
+
+node_js:
+  - 6
+  - 4
+
+cache:
+  directories:
+    - node_modules
+
+install:
+  - npm i -g npm@latest
+  - npm install