Added awesome_nested_set gem in preparation for comments.
Initial comment scaffold.
Added name to migration.
Nested comment resources under posts.
Initial functionality and specs for comments model.
Related posts to comments.
Locked down certain comment actions.
Use Akismet to help fight spammy comments.
Added AKISMET_KEY to application configuration.
Updated permissions with rules for comments.
Added ability to allow comments on a per post basis.
Removed unused spec.
is_commentable belongs in the Post factory
Initial Request specs for comments.
Refactored Comments to more gracefully handle strong parameters.
Initial UI for comment form.
Minor update to the Comment form UI.
Use Ancestry for nested comments.
Configured ancestry for comments.
Refactored post / comment views to support threading.