WRO-12570: Update .travis.yml to apply lint options (#52)

* Update .travis.yml to apply lint options
Enact-DCO-1.0-Signed-off-by: SJ RO (sj.ro@lge.com)

* revert npm-shrinkwrap.json

Author: sjro

.travis.yml

@@ -6,4 +6,4 @@ sudo: false
 install:
     - npm install
 script:
-    - npm run lint
+    - npm run lint -- --report-unused-disable-directives --max-warnings 0