Initial implementation of new user account and IP lockout feature.
Rework the list styles and introduce improved status themes.
Move or add list class to tables.
Convert children to lists and remove redundant styles.
Update and fix the unlock conditions.
Add permission for user unlock.
Escalate alert level in accordance to syslog standards.
Transpose alert colours for notice and info.
Don't rely on unknown class.
Include full syslog level names too.