Updated download page.
Updated download page.

The order of the releases has been changed. Version 2.0 now appears
on top before version 1.x.

git-svn-id: 0d31da9e303333003508381311333cf78a25d41b@1735782 13f79535-47bb-0310-9956-ffa450edef68

apache/commons-configuration,apache/commons-configuration,apache/commons-configuration