create unit tests for comments and related associations
create comment routes
create comment model and associations
show comments on the template
show number of comments and time created in words
add subtext information to pages#show
create form for post comments
create controller action for creating post comments
DRY up display of posts
DRY up display of posts
display upvote chevron
create comments#show route
create show action for comments_controller
create show template for comments
DRY up closing p tags