NFLabs/zan — pull request #5 by Leemoonsoo (2014-03-09 15:19:40+00:00)
Title: Change zan repository to use git submodule

[ZEPPELIN-117](https://zeppelin-project.atlassian.net/browse/ZEPPELIN-117) addresses ZAN implementation based on git submodule.

this PR include corresponding update for ZAN repository.