Show online users portlet
Shows users that are online in a portlet. Refreshes every 10 seconds via ajax calls.
Restricted only for users in jira-administrators group.

Assumption: non-distributed server is used.

- Add the following to atlassian-jira/WEB-INF/web.xml


- mvn package and put the jar to WEB-INF/lib, and restart Jira
- add Show online users portlet to dashboard
- enjoy