Fix the changelog entry

git-svn-id: https://svn.apache.org/repos/asf/buildr/trunk@1456389 13f79535-47bb-0310-9956-ffa450edef68
Add note to the front page

git-svn-id: https://svn.apache.org/repos/asf/buildr/trunk@1456390 13f79535-47bb-0310-9956-ffa450edef68