fix: Optimize build for production (#152)

* fix: Optimize build for production

* build: Update dependencies

* build: Add `travis wait` to prevent  timeouts

* ci: Fix typo in travis config

Author: kantord

.travis.yml

@@ -19,7 +19,7 @@ script:
   - npm run test:e2e
   - npm run lint
   - npm run coverage
-  - npm run build
+  - travis_wait npm run build
   - cat ./coverage/lcov.info | codecov
 
 deploy: