zeppelin git commit: [ZEPPELIN-2778] Unit test for credential module (zeppelin-web)

Repository: zeppelin Updated Branches: refs/heads/master 1b9c46dcf -> ca40e49aa [ZEPPELIN-2778] Unit test for credential module (zeppelin-web) ### What is this PR for? Added few test cases for the credential module under `zeppelin-web/` Additionally, - modified `configuration.html` to add

zeppelin git commit: ZEPPELIN-1263. Should specify zeppelin's spark configuration through --conf arguments of spark-submit

Repository: zeppelin Updated Branches: refs/heads/master e1f20ddda -> 1b9c46dcf ZEPPELIN-1263. Should specify zeppelin's spark configuration through --conf arguments of spark-submit ### What is this PR for? For now we spark configuration at runtime rather than pass them through `--conf`,