General fixes/improvements
- Added 8311 logo and community mod version to webui status page
- Added message to /etc/banner about the firmware version (from git tag and commit hash)
- Fixed bug in root pwhash handling of / character
- Totally reworked SSH server key and authorized keys handling, now uses symlinks to /ptconf (will automatically migrate UCI settings)
- Added 8311-persist-root-password.sh script to save current root password hash
- Moved scripts out of /root and symlinked them
Full Changelog: v1.4.4...v1.5.0