faster
Allow config overrides on the command line
Accept default command line args from the environment
Merge branch 'aphs-set-config-cli' of https://github.com/aidanhs/shutit
test passing name in
Accept default command line args from the environment
merged
updates reinstated
Rework docker command line building
Clarify some configs
Let docker default to a hostname
Correctly report examples test failures and cleanup
Remove default container name, set one in tests