I picked this up from hbase, add the "newbie" label to a jira if you think it's appropriate for new contributors. I started marking as such, please feel free to add more as you identify them:
https://issues.apache.org/jira/secure/IssueNavigator.jspa?reset=true&jqlQuery=project+%3D+ZOOKEEPER+AND+labels+%3D+newbie Patrick
