There is an open HTML comment in the Repositories side box before the Factory links. Is it intended to comment the Factory links and someone forgot to close it?
In spite of the warnings on the Portal page, I have found this build of cinnamon (for 13.1, with the nouveau nvidia driver) very stable and responsive, and I am using it as my main desktop now. I just wanted to put on record that I think that this project is doing an excellent job! I hope that the work will be able to continue.
-- pakeller 2014-09-03