babs: remove 'Autobuilder' from the build email
babs: drop testcandidate command, not sure it's very useful
babs: add jobrunner command to wrap the jobrunner script
babs: add more comprehensive help via help command
Drop jobrunner configuration file, it's obsolete now
todo: update for completed items
debian packaging: reflect updated documentation filenames
design.md: refactor the design doc slightly for a friendlier style