Nano Node Docker Versions Save

• Make -t argument required and move to explicit Nano node versions following the Nano Foundation changes.
• Add notice in documentation to clarify the installer shall not be used unattended for main net nodes.

• Deprecate Nano node watchdog, as it distracts any lengthy node upgrade operations.

• Deprecate Nano node watchdog, as it distracts any lengthy node upgrade operations.

• Adapt to changes v19 of Nano node introduced.
• Deprecate feature support for versions prior to v18.
• Fix watchdog from failing to fetch the proper node logs.
• Fix installer final output.
• Update documentation.

• Adapt to changes v19 of Nano node introduced.
• Deprecate feature support for versions prior to v18.
• Fix watchdog from failing to fetch the proper node logs.
• Fix installer final output.
• Update documentation.

This release points to the beta branch. For the v4.0 changelog, check the mainnet release.

• Switch to IPv6 loopback address to keep aligned with official guides.
• Display installer version during runtime.
• Add node CLI bash alias. (Implements #7 )
• Switch mount directory to /root to support Nano node v18 and handle directory structure by migrating existing database.
• Improve output readability.
• Fix quiet mode.

This release points to the beta branch. For the v3.8 changelog, check the mainnet release.

• You can now select a different Docker image tag for the NANO node, using the new -t argument.
• Added support for the NANO BETA network (testnet), using a separate branch.
• Simplified how the Compose files are used by the installer.
• The installer now keeps a record of the latest used settings.
• Documentation updates.

• Fix a bug on Ubuntu 18.04 where a carriage return character was included in the NANO address and the monitor configuration.
• Handle properly IPv6 addresses.
• Cleanup watchtower docker logs, by watching only selected images.
• Update documentation.