Details at the [ZEPPELIN-279](https://issues.apache.org/jira/browse/ZEPPELIN-279)
Author: Alexander Bezzubov <bzz@apache.org>
Closes#282 from bzz/ZEPPELIN-279-move-docs-to-master and squashes the following commits:
16d2cd0 [Alexander Bezzubov] ZEPPELIN-279: updating refs to new /docs location
a051a35 [Alexander Bezzubov] ZEPPELIN-279: moving website gh-pages -> master:/docs
