Github user Leemoonsoo commented on the pull request:
https://github.com/apache/incubator-zeppelin/pull/604#issuecomment-179616826
Regarding version, I tried and it seems need to be defined in this way
https://github.com/Leemoonsoo/incubator-zeppelin/blob/ZEPPELIN-559-ver/docs/_config.yml#L24
and reference like
```
**2.0** _(Zeppelin {{ site.ZEPPELIN_VERSION }})_ :
```
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