Merge pull request #10 from codevor/develop

Updated travis

Author: helderberto

.travis.yml

@@ -8,10 +8,8 @@ branches:
 cache:
   directories:
     - node_modules
-before_install:
-  - yarn update
 install:
-  - yarn install
+  - yarn
 script:
   - yarn test
   - yarn coveralls