Improve naming
Tweak error messages
Tweak preconditions
Add NO_S3_AUTH
Update README
Rename auto-updates to self-updates
Rename S3_HOST to S3_ENDPOINT
Improve platform descriptions
Rename get_date to get_iso_date
Tweak README
Tweak naming
Tweak message
Fix indentation
Simplify OS and platform detection
Clean temporary files
Tweak naming
Update README
Improve displaying log messages
Add filter_not_first
Improve naming