Add comment collapsing feature to TODO list.

docs/TODO

@@ -101,6 +101,8 @@ ShinyCMS in the future (short or long term).
 		* Same thread can be attached to multiple resources - blog posts, 
 		  polls, images, etc
 		- Reversible thread order (useful for adding chat 'wall' to user profiles)
+		- Collapse deeper comments in longer threads
+			- Make definitions of 'deeper' and 'longer' configurable
 	* Add comment
 		- Email owner of item being commented on (blog post, comment, ...)
 		- Inline comment forms
@@ -117,7 +119,7 @@ ShinyCMS in the future (short or long term).
 + Forums
 	- Jump to first unread comment in thread
 	* View posts by tag
-		- Pagination
+	- Pagination
 
 * Polls
 	- Embeddable pollbooths for use on CMS pages or in sidebars