* switch to tiny-cloud instead of tiny-ec2-bootstrap
* set default NTP server, if configured
* add default /etc/network/interfaces
* add urlopen() timeout to mitigate ipv6 issues connecting to alpinelinux.org
Implement alpine lib as a class
* get versions/releases/EOLs from authoritative source
* methods to build appropriate URLs
* fallback to old method of determining release for RC versions
* compute edge & RC EOLs here instead of elsewhere
Remove end_of_life from configs, and don't return it from imported images.
Always update image tags and descriptions when re/publishing images.
Fix image description URL... :P
