For consistency's sake, could we call this variable ```$zookeeper_hosts``` and render it out in hbase-site.xml the same way it is done in hive-site.xml?  This variable should be an array of zookeeper hostnames making up the quorum.  A 'zookeeper master' doesn't really make sense in zookeeper anyway, since there is no 'master'.

```erb
  <property>
    <name>hive.zookeeper.quorum</name>
    <description>Zookeeper quorum used by Hive's Table Lock Manager</description>
    <value><%= @zookeeper_hosts.sort.join(',') %></value>
  </property>
```