message: adds npm install step to travis build
diff: @@ -3,5 +3,4 @@ node_js:
  - "8"
  script:
  - - cd lib
  - - npm test && npm run lint && npm run build
  \ No newline at end of file
  + - cd lib && npm install && npm test && npm run lint && npm run build
  \ No newline at end of file
  