use --scope to map scope to registry
chasing down errant uses of old auth, part 1
npmconf@npm/npmconf#othiym23/new-credentials
username and email are now always scoped to a registry
npm-package-arg@1.0.1
switch to npm-package-arg from whatever that was
opportunistic linting
remove isGitUrl
isScoped → npa
npm-package-arg@2.0.0
short-circuit local installs but fall back less
fix vim-introduced whitespace error
replace another case of bad spec parsing with npa
read-package-json@1.2.3
dedupe normalize-package-data
fix order dependency in remote git caching

Also add more logging.
simplify use of maybeGithub
tweaked for consistency
fs-vacuum@1.2.1
make gentlyRm safer and tidier

Checks to ensure that it's only reoving files managed by npm, and
uses fs-vacuum to ensure that empty directories are cleand up as it
goes. Maybe slightly overdone.