Unfortunately, Broadleaf was not accepted into the Google Summer of Code project so none of the ideas represented in that wiki doc were worked on. If you're interested in working on something, we would love to hear more about what you might propose.
Feel free to shoot an email to info AT broadleafcommerce.com or to me personally at pverheyden AT broadleafcommerce.com
The Broadleaf forums are being retired as a readonly archive of questions. For active discussions and questions, check out the broadleaf-commerce tag on Stack Overflow
which is actively monitored by the Broadleaf team.