5.8.15 -> 5.8.16 http://boinc.berkeley.edu/rev_history.php * CPU model string includes Family/Model/Stepping. * Fix errors if detach project while file transfers active. * Limits on # of file transfers apply to uploads and downloads separately. * Add checkpoint_debug log flag. * Set processor affinity mask for benchmark threads (Windows) * Disable connection caching in Curl. * Add 'Detach when done' flag to projects (for clean detach, e.g. from account manager). * Delete all files when detach from project. * Fix bugs on Mac OS X 10.3 that could create bad users/groups.