Keep track of date/time whitelist blacklist entries added

[yubiuser]

@jayhova

• Keep track of when individual whitelist and blacklist domain entries were added to the list.
• Keep track of last time lists were modified (as a whole)

Implemented in v5.0

@jayhova

Allow sorting by date/time when viewing the lists.

Closing in favor of

Ability to sort whitelist/blacklist sites by date added as well as alphabetically

Would just make for easier viewing of the lists.

as the request is the same.

Votes are released, please vote for the other topic if still desired.