Removed title, added root and replyTree to comment schema

Signed-off-by: Tom Wright <tom@inflatablecookie.com>
Added comment Record

Signed-off-by: Tom Wright <tom@inflatablecookie.com>
Added delete and count helpers to comment model

Signed-off-by: Tom Wright <tom@inflatablecookie.com>
Filled out comment component and list template

Signed-off-by: Tom Wright <tom@inflatablecookie.com>
Added comment admin actions

Signed-off-by: Tom Wright <tom@inflatablecookie.com>