background: we have a flat hierarchy of comments, not a tree. therefore we
can also remove again the unnecessary additions.
Signed-off-by: Arthur Schiwon <blizzz@arthur-schiwon.de>
* introduce a Controller for requests
* introduce result sorting mechanism
* extend Comments to retrieve commentors (actors) in a tree
* add commenters sorter
* add share recipients sorter
Signed-off-by: Arthur Schiwon <blizzz@arthur-schiwon.de>