Sorry for creating a new thread about this. I switched my real email id for this alias, riseup email has been acting up for me for whatever reason.
Anyway, RE: fetching docker 1.2.0 from virt7-testing, as was asked about on the previous thread, you can find them here: http://cbs.centos.org/repos/virt7-testing/x86_64/os/Packages/ (Thanks to MerlinTHP on #centos-devel :) )
HTH.