Requirements:
1. Replace current message (or add if there isn't one) with the text "Your evaluation license for <Product Name> has expired. Here's the information you need to continue using <Product Name>."
2. The "information you need" link needs to go to this recently updated page on WAC:
http://www.atlassian.com/software/jira/expiredevaluation.jsp

See http://extranet.atlassian.com/pages/viewpage.action?pageId=1682606792 for background info.