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Clean up lots of styles.  Eliminate few unused ID-s and classes.

The POST /comments API call now returns the newly added comment
as a result in addition to just returning an ID.

The commentForm is now an actual component.

Also show the read status.

Take care of the toggling of comments help inside the form.

Nothing more for start.

Only turn properties into configs when dealing with autodetected members.

The validation relied on user_id field being available in comment
data, but this field was in fact missing, resulting in the comment author
to never equal current user.

Handle the whole voting logic inside comments.List view.

Not yet working, but fires event when clicked and displays the
correct info.

Move the old Comments controller aside and write a new simpler one
that for now only manages the comments index page.

Had gone missing with some previous refactoring.

Comments get rendered through the comments.List view.

Change Docs.Application to initialize comments before anything else.
This way the rest of the app can rely on comment counts to be
already loaded and avoid setting up listeners all over the place.

Additionally the CommentCounts is now accessed through Docs.Comments
and never directly as it's no more a singleton.