Add UI widget for showing "history"

[romaninsh]

Collecting Audit for our record is great, but it needs to be displayed to a user or administrator at some point. We are willing to add a special ATK UI View to display history of changes for a specified model as well as give ability to add manual comment by the user (optional).

TODO - create a "History" view similar to this:

Differences:

• most recent changes should appear on the top
• form to leave comment should also be on the top (use inline form)
• in our case modifications would usually affect multiple fields, so one line can contain multiple field value changes.
• use css labels with field name and value.
• must interpret "json" data to decode fields old/new values but also display header with date/user info.
• developer can set a different template with different tags

I recommend that Lister is used, however the render loop would include a rendering of the {Changes} field.