Convert to string once
Better report unknown SSH host key (issue #297)
Add FAQ entry about SSH setup (issue #297)
Mention verification of SSH host keys as well (issue #297)
Show list of known SSH host keys in admin interface (issue #297)
Drop stray line break
Detect action type by hidden attribute
Add option to add SSH host keys in admin interface (issue #297)
Point users to SSH host keys in admin interface (fixes #297)