v0.2.0

• --dry-run flag for updating
• winking
• readout factory settings lock status (if admin app supports it)
• --all flag for apps (likely not consistently working yet)
• "boot-to-bootrom" renamed to "maintenance"
• pull device Trussed certificates from web
• don't attempt firmware rollbacks
• timeout if owner is not present for firmware update
• --verbose flag to configure log level instead of env variable
• fix for multiple smartcard readers (@borgoat)