Add ability to edit comments under an hour old

Overview

This PR adds the ability to link directly to comments and edit your own comments that are under 1 hour old.

Adds a link to each comment by clicking the timeago time
Adds a link to the news item by clicking the timeago time on the news item
Adds an edit link on comments for the logged in user less than an hour old
Adds routes for comment links and editing comment
Adds routes for updating a comment when editing
Refactors the comment related code into separate controller and view packages
Gifs

Linked comment and posts