generated comment resource
moved tags to a partial
set up migration for creating comments table and ran migration
added comment attributes to attr_accessible
changed comments to polymorphic
set up model relationships for comment class
added route to create reply comment
set up comment controller create action
moved users.css.scss stylesheet to /all directory and added default styling user profile image
added default font size for <b> tags
removed the border next to profile pic on post
added comment form partial
show comment form on post show page if user is logged in
changed border color of form inputs
added user medium profile pic size
added comment list partial
added styling for comments list
use medium size user profile picture in comments
put comment list partial on post show
added .link class styling