Upgrade to Cog r.2677.
Only build the MOST RECENT Cog.
Reporting changes requested by Eliot Miranda.
Use vm_args.
Random flailing: -version's not spitting output on CI.
Fix width calc. Don't dump untarred filenames. Actually emit the Cog version.
Try only setting the author initials just before the test run, instead of prior to updating the image.
files merged in from Frank Shearar's upstream branch