You heard right -- Skype just went from "nowhere near" Windows Phone 7, to "on the roadmap," to "definitely coming this fall." That last tidbit is courtesy of Microsoft's own Joe Belfiore, stating that "Skype will be coming to the Windows Phone 7 platform this fall" while speaking live at MIX 11. We hesitate to act surprised, but given the prior reports that it may be a pipe dream, we're most certainly breathing a bit e