nested comments routes
update #index in CommentsController
update comments_controller
update form edit
update article show views with _single
add article votes tests
delete comments
Redone specs for comments_controller_spec
update comments controller for nested resources
update views _single
add post#vote route, add voteability to articles
clean up code
update nested comments views
added vote partial
update redirect path for #vote in CommentsController
update comments views with votes
update article _single view
add vote link to article show view
fix merge conflict
update redirect for article voting