We don't really know why Apple wouldn't have mentioned iChat at its "tentpole"-filled keynote if it was all ready to go on it, but the eternal optimists within us would like to believe that the merest glimpse of the app would instantly reveal a front facing camera on whatever new iPhone hardware is in the works, therefore relegating the app to secrecy. Still, the evidence does indeed seem to be mounting for the software's inclusion in the OS. Outside of the iChatAgent process that was spotted last week, 9 to 5 Mac has pulled the covers off references within the SDK to moderators, cha