zeppelin git commit: ZEPPELIN-3406 Travis build failure due to npm error

Repository: zeppelin Updated Branches: refs/heads/master 440701d3d -> 7aa94ce93 ZEPPELIN-3406 Travis build failure due to npm error ### What is this PR for? Travis build failure due to npm error e.g: https://travis-ci.org/TinkoffCreditSystems/zeppelin/jobs/365002217 ### What type of PR is

zeppelin git commit: ZEPPELIN-3406 Travis build failure due to npm error

Repository: zeppelin Updated Branches: refs/heads/branch-0.8 17e16e8a0 -> 4635259fe ZEPPELIN-3406 Travis build failure due to npm error ### What is this PR for? Travis build failure due to npm error e.g: https://travis-ci.org/TinkoffCreditSystems/zeppelin/jobs/365002217 ### What type of PR